diff --git a/.travis_scripts/cmake_builder.sh b/.travis_scripts/cmake_builder.sh
deleted file mode 100755
index f3d4e46b6..000000000
--- a/.travis_scripts/cmake_builder.sh
+++ /dev/null
@@ -1,130 +0,0 @@
-#!/usr/bin/env sh
-# This script can be used on the command line directly to configure several
-# different build environments.
-# This is called by `.travis.yml` via Travis CI.
-# Travis supplies $TRAVIS_OS_NAME.
-#  http://docs.travis-ci.com/user/multi-os/
-# Our .travis.yml also defines:
-
-#   - BUILD_TYPE=Release/Debug
-#   - LIB_TYPE=static/shared
-#
-# Optional environmental variables
-#   - DESTDIR <- used for setting the install prefix
-#   - BUILD_TOOL=["Unix Makefile"|"Ninja"]
-#   - BUILDNAME <- how to identify this build on the dashboard
-#   - DO_MemCheck <- if set, try to use valgrind
-#   - DO_Coverage <- if set, try to do dashboard coverage testing
-#
-
-env_set=1
-if ${BUILD_TYPE+false}; then
-  echo "BUILD_TYPE not set in environment."
-  env_set=0
-fi
-if ${LIB_TYPE+false}; then
-  echo "LIB_TYPE not set in environment."
-  env_set=0
-fi
-if ${CXX+false}; then
-  echo "CXX not set in environment."
-  env_set=0
-fi
-
-
-if [ ${env_set} -eq 0 ]; then
-  echo "USAGE:  CXX=$(which clang++)  BUILD_TYPE=[Release|Debug] LIB_TYPE=[static|shared] $0"
-  echo ""
-  echo "Examples:"
-  echo "           CXX=$(which clang++) BUILD_TYPE=Release LIB_TYPE=shared DESTDIR=/tmp/cmake_json_cpp $0"
-  echo "           CXX=$(which clang++) BUILD_TYPE=Debug   LIB_TYPE=shared DESTDIR=/tmp/cmake_json_cpp $0"
-  echo "           CXX=$(which clang++) BUILD_TYPE=Release LIB_TYPE=static DESTDIR=/tmp/cmake_json_cpp $0"
-  echo "           CXX=$(which clang++) BUILD_TYPE=Debug   LIB_TYPE=static DESTDIR=/tmp/cmake_json_cpp $0"
-
-  echo "           CXX=$(which g++)     BUILD_TYPE=Release LIB_TYPE=shared DESTDIR=/tmp/cmake_json_cpp $0"
-  echo "           CXX=$(which g++)     BUILD_TYPE=Debug   LIB_TYPE=shared DESTDIR=/tmp/cmake_json_cpp $0"
-  echo "           CXX=$(which g++)     BUILD_TYPE=Release LIB_TYPE=static DESTDIR=/tmp/cmake_json_cpp $0"
-  echo "           CXX=$(which g++)     BUILD_TYPE=Debug   LIB_TYPE=static DESTDIR=/tmp/cmake_json_cpp $0"
-
-  exit -1
-fi
-
-if ${DESTDIR+false}; then
-  DESTDIR="/usr/local"
-fi
-
-# -e: fail on error
-# -v: show commands
-# -x: show expanded commands
-set -vex
-
-env | sort
-
-which cmake
-cmake --version
-
-echo ${CXX}
-${CXX} --version
-_COMPILER_NAME=`basename ${CXX}`
-if [ "${LIB_TYPE}" = "shared" ]; then
-  _CMAKE_BUILD_SHARED_LIBS=ON
-else
-  _CMAKE_BUILD_SHARED_LIBS=OFF
-fi
-
-CTEST_TESTING_OPTION="-D ExperimentalTest"
-#   - DO_MemCheck <- if set, try to use valgrind
-if ! ${DO_MemCheck+false}; then
-   valgrind --version
-   CTEST_TESTING_OPTION="-D ExperimentalMemCheck"
-else
-#   - DO_Coverage <- if set, try to do dashboard coverage testing
-  if ! ${DO_Coverage+false}; then
-     export CXXFLAGS="-fprofile-arcs -ftest-coverage"
-     export LDFLAGS="-fprofile-arcs -ftest-coverage"
-     CTEST_TESTING_OPTION="-D ExperimentalTest -D ExperimentalCoverage"
-     #gcov --version
-  fi
-fi
-
-#  Ninja                        = Generates build.ninja files.
-if ${BUILD_TOOL+false}; then
-  BUILD_TOOL="Ninja"
-  export _BUILD_EXE=ninja
-  which ninja
-  ninja --version
-else
-#  Unix Makefiles               = Generates standard UNIX makefiles.
-  export _BUILD_EXE=make
-fi
-
-_BUILD_DIR_NAME="build-cmake_${BUILD_TYPE}_${LIB_TYPE}_${_COMPILER_NAME}_${_BUILD_EXE}"
-mkdir -p ${_BUILD_DIR_NAME}
-cd "${_BUILD_DIR_NAME}"
-  if ${BUILDNAME+false}; then
-     _HOSTNAME=`hostname -s`
-     BUILDNAME="${_HOSTNAME}_${BUILD_TYPE}_${LIB_TYPE}_${_COMPILER_NAME}_${_BUILD_EXE}"
-  fi
-  cmake \
-    -G "${BUILD_TOOL}" \
-    -DBUILDNAME:STRING="${BUILDNAME}" \
-    -DCMAKE_CXX_COMPILER:PATH=${CXX} \
-    -DCMAKE_BUILD_TYPE:STRING=${BUILD_TYPE} \
-    -DBUILD_SHARED_LIBS:BOOL=${_CMAKE_BUILD_SHARED_LIBS} \
-    -DCMAKE_INSTALL_PREFIX:PATH=${DESTDIR} \
-    ../
-
-  ctest -C ${BUILD_TYPE} -D ExperimentalStart -D ExperimentalConfigure -D ExperimentalBuild ${CTEST_TESTING_OPTION} -D ExperimentalSubmit
-  # Final step is to verify that installation succeeds
-  cmake --build . --config ${BUILD_TYPE} --target install
-
-  if [ "${DESTDIR}" != "/usr/local" ]; then
-     ${_BUILD_EXE} install
-  fi
-cd -
-
-if ${CLEANUP+false}; then
-  echo "Skipping cleanup: build directory will persist."
-else
-  rm -r "${_BUILD_DIR_NAME}"
-fi
diff --git a/.travis_scripts/meson_builder.sh b/.travis_scripts/meson_builder.sh
deleted file mode 100755
index bc74732f6..000000000
--- a/.travis_scripts/meson_builder.sh
+++ /dev/null
@@ -1,83 +0,0 @@
-#!/usr/bin/env sh
-# This script can be used on the command line directly to configure several
-# different build environments.
-# This is called by `.travis.yml` via Travis CI.
-# Travis supplies $TRAVIS_OS_NAME.
-#  http://docs.travis-ci.com/user/multi-os/
-# Our .travis.yml also defines:
-
-#   - BUILD_TYPE=release/debug
-#   - LIB_TYPE=static/shared
-
-env_set=1
-if ${BUILD_TYPE+false}; then
-  echo "BUILD_TYPE not set in environment."
-  env_set=0
-fi
-if ${LIB_TYPE+false}; then
-  echo "LIB_TYPE not set in environment."
-  env_set=0
-fi
-if ${CXX+false}; then
-  echo "CXX not set in environment."
-  env_set=0
-fi
-
-
-if [ ${env_set} -eq 0 ]; then
-  echo "USAGE:  CXX=$(which clang++)  BUILD_TYPE=[release|debug] LIB_TYPE=[static|shared] $0"
-  echo ""
-  echo "Examples:"
-  echo "           CXX=$(which clang++) BUILD_TYPE=release LIB_TYPE=shared DESTDIR=/tmp/meson_json_cpp $0"
-  echo "           CXX=$(which clang++) BUILD_TYPE=debug   LIB_TYPE=shared DESTDIR=/tmp/meson_json_cpp $0"
-  echo "           CXX=$(which clang++) BUILD_TYPE=release LIB_TYPE=static DESTDIR=/tmp/meson_json_cpp $0"
-  echo "           CXX=$(which clang++) BUILD_TYPE=debug   LIB_TYPE=static DESTDIR=/tmp/meson_json_cpp $0"
-
-  echo "           CXX=$(which g++)     BUILD_TYPE=release LIB_TYPE=shared DESTDIR=/tmp/meson_json_cpp $0"
-  echo "           CXX=$(which g++)     BUILD_TYPE=debug   LIB_TYPE=shared DESTDIR=/tmp/meson_json_cpp $0"
-  echo "           CXX=$(which g++)     BUILD_TYPE=release LIB_TYPE=static DESTDIR=/tmp/meson_json_cpp $0"
-  echo "           CXX=$(which g++)     BUILD_TYPE=debug   LIB_TYPE=static DESTDIR=/tmp/meson_json_cpp $0"
-
-  exit -1
-fi
-
-if ${DESTDIR+false}; then
-  DESTDIR="/usr/local"
-fi
-
-# -e: fail on error
-# -v: show commands
-# -x: show expanded commands
-set -vex
-
-
-env | sort
-
-which python3
-which meson
-which ninja
-echo ${CXX}
-${CXX} --version
-python3 --version
-meson --version
-ninja --version
-_COMPILER_NAME=`basename ${CXX}`
-_BUILD_DIR_NAME="build-${BUILD_TYPE}_${LIB_TYPE}_${_COMPILER_NAME}"
-
-#./.travis_scripts/run-clang-format.sh
-meson --fatal-meson-warnings --werror --buildtype ${BUILD_TYPE} --default-library ${LIB_TYPE} . "${_BUILD_DIR_NAME}"
-ninja -v -j 2 -C "${_BUILD_DIR_NAME}"
-
-cd "${_BUILD_DIR_NAME}"
-  meson test --no-rebuild --print-errorlogs
-
-  if [ "${DESTDIR}" != "/usr/local" ]; then
-     ninja install
-  fi
-cd -
-
-if ${CLEANUP+false}; then
-  echo "Skipping cleanup:  build directory will persist."
-else
-  rm -r "${_BUILD_DIR_NAME}"
-fi
diff --git a/.travis_scripts/run-clang-format.py b/.travis_scripts/run-clang-format.py
deleted file mode 100755
index 605b5aad1..000000000
--- a/.travis_scripts/run-clang-format.py
+++ /dev/null
@@ -1,356 +0,0 @@
-#!/usr/bin/env python
-"""A wrapper script around clang-format, suitable for linting multiple files
-and to use for continuous integration.
-This is an alternative API for the clang-format command line.
-It runs over multiple files and directories in parallel.
-A diff output is produced and a sensible exit code is returned.
-
-NOTE: pulled from https://github.com/Sarcasm/run-clang-format, which is
-licensed under the MIT license.
-"""
-
-from __future__ import print_function, unicode_literals
-
-import argparse
-import codecs
-import difflib
-import fnmatch
-import io
-import multiprocessing
-import os
-import signal
-import subprocess
-import sys
-import traceback
-
-from functools import partial
-
-try:
-    from subprocess import DEVNULL  # py3k
-except ImportError:
-    DEVNULL = open(os.devnull, "wb")
-
-
-DEFAULT_EXTENSIONS = 'c,h,C,H,cpp,hpp,cc,hh,c++,h++,cxx,hxx'
-
-
-class ExitStatus:
-    SUCCESS = 0
-    DIFF = 1
-    TROUBLE = 2
-
-
-def list_files(files, recursive=False, extensions=None, exclude=None):
-    if extensions is None:
-        extensions = []
-    if exclude is None:
-        exclude = []
-
-    out = []
-    for file in files:
-        if recursive and os.path.isdir(file):
-            for dirpath, dnames, fnames in os.walk(file):
-                fpaths = [os.path.join(dirpath, fname) for fname in fnames]
-                for pattern in exclude:
-                    # os.walk() supports trimming down the dnames list
-                    # by modifying it in-place,
-                    # to avoid unnecessary directory listings.
-                    dnames[:] = [
-                        x for x in dnames
-                        if
-                        not fnmatch.fnmatch(os.path.join(dirpath, x), pattern)
-                    ]
-                    fpaths = [
-                        x for x in fpaths if not fnmatch.fnmatch(x, pattern)
-                    ]
-                for f in fpaths:
-                    ext = os.path.splitext(f)[1][1:]
-                    if ext in extensions:
-                        out.append(f)
-        else:
-            out.append(file)
-    return out
-
-
-def make_diff(file, original, reformatted):
-    return list(
-        difflib.unified_diff(
-            original,
-            reformatted,
-            fromfile='{}\t(original)'.format(file),
-            tofile='{}\t(reformatted)'.format(file),
-            n=3))
-
-
-class DiffError(Exception):
-    def __init__(self, message, errs=None):
-        super(DiffError, self).__init__(message)
-        self.errs = errs or []
-
-
-class UnexpectedError(Exception):
-    def __init__(self, message, exc=None):
-        super(UnexpectedError, self).__init__(message)
-        self.formatted_traceback = traceback.format_exc()
-        self.exc = exc
-
-
-def run_clang_format_diff_wrapper(args, file):
-    try:
-        ret = run_clang_format_diff(args, file)
-        return ret
-    except DiffError:
-        raise
-    except Exception as e:
-        raise UnexpectedError('{}: {}: {}'.format(file, e.__class__.__name__,
-                                                  e), e)
-
-
-def run_clang_format_diff(args, file):
-    try:
-        with io.open(file, 'r', encoding='utf-8') as f:
-            original = f.readlines()
-    except IOError as exc:
-        raise DiffError(str(exc))
-    invocation = [args.clang_format_executable, file]
-
-    # Use of utf-8 to decode the process output.
-    #
-    # Hopefully, this is the correct thing to do.
-    #
-    # It's done due to the following assumptions (which may be incorrect):
-    # - clang-format will returns the bytes read from the files as-is,
-    #   without conversion, and it is already assumed that the files use utf-8.
-    # - if the diagnostics were internationalized, they would use utf-8:
-    #   > Adding Translations to Clang
-    #   >
-    #   > Not possible yet!
-    #   > Diagnostic strings should be written in UTF-8,
-    #   > the client can translate to the relevant code page if needed.
-    #   > Each translation completely replaces the format string
-    #   > for the diagnostic.
-    #   > -- http://clang.llvm.org/docs/InternalsManual.html#internals-diag-translation
-    #
-    # It's not pretty, due to Python 2 & 3 compatibility.
-    encoding_py3 = {}
-    if sys.version_info[0] >= 3:
-        encoding_py3['encoding'] = 'utf-8'
-
-    try:
-        proc = subprocess.Popen(
-            invocation,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE,
-            universal_newlines=True,
-            **encoding_py3)
-    except OSError as exc:
-        raise DiffError(
-            "Command '{}' failed to start: {}".format(
-                subprocess.list2cmdline(invocation), exc
-            )
-        )
-    proc_stdout = proc.stdout
-    proc_stderr = proc.stderr
-    if sys.version_info[0] < 3:
-        # make the pipes compatible with Python 3,
-        # reading lines should output unicode
-        encoding = 'utf-8'
-        proc_stdout = codecs.getreader(encoding)(proc_stdout)
-        proc_stderr = codecs.getreader(encoding)(proc_stderr)
-    # hopefully the stderr pipe won't get full and block the process
-    outs = list(proc_stdout.readlines())
-    errs = list(proc_stderr.readlines())
-    proc.wait()
-    if proc.returncode:
-        raise DiffError(
-            "Command '{}' returned non-zero exit status {}".format(
-                subprocess.list2cmdline(invocation), proc.returncode
-            ),
-            errs,
-        )
-    return make_diff(file, original, outs), errs
-
-
-def bold_red(s):
-    return '\x1b[1m\x1b[31m' + s + '\x1b[0m'
-
-
-def colorize(diff_lines):
-    def bold(s):
-        return '\x1b[1m' + s + '\x1b[0m'
-
-    def cyan(s):
-        return '\x1b[36m' + s + '\x1b[0m'
-
-    def green(s):
-        return '\x1b[32m' + s + '\x1b[0m'
-
-    def red(s):
-        return '\x1b[31m' + s + '\x1b[0m'
-
-    for line in diff_lines:
-        if line[:4] in ['--- ', '+++ ']:
-            yield bold(line)
-        elif line.startswith('@@ '):
-            yield cyan(line)
-        elif line.startswith('+'):
-            yield green(line)
-        elif line.startswith('-'):
-            yield red(line)
-        else:
-            yield line
-
-
-def print_diff(diff_lines, use_color):
-    if use_color:
-        diff_lines = colorize(diff_lines)
-    if sys.version_info[0] < 3:
-        sys.stdout.writelines((l.encode('utf-8') for l in diff_lines))
-    else:
-        sys.stdout.writelines(diff_lines)
-
-
-def print_trouble(prog, message, use_colors):
-    error_text = 'error:'
-    if use_colors:
-        error_text = bold_red(error_text)
-    print("{}: {} {}".format(prog, error_text, message), file=sys.stderr)
-
-
-def main():
-    parser = argparse.ArgumentParser(description=__doc__)
-    parser.add_argument(
-        '--clang-format-executable',
-        metavar='EXECUTABLE',
-        help='path to the clang-format executable',
-        default='clang-format')
-    parser.add_argument(
-        '--extensions',
-        help='comma separated list of file extensions (default: {})'.format(
-            DEFAULT_EXTENSIONS),
-        default=DEFAULT_EXTENSIONS)
-    parser.add_argument(
-        '-r',
-        '--recursive',
-        action='store_true',
-        help='run recursively over directories')
-    parser.add_argument('files', metavar='file', nargs='+')
-    parser.add_argument(
-        '-q',
-        '--quiet',
-        action='store_true')
-    parser.add_argument(
-        '-j',
-        metavar='N',
-        type=int,
-        default=0,
-        help='run N clang-format jobs in parallel'
-        ' (default number of cpus + 1)')
-    parser.add_argument(
-        '--color',
-        default='auto',
-        choices=['auto', 'always', 'never'],
-        help='show colored diff (default: auto)')
-    parser.add_argument(
-        '-e',
-        '--exclude',
-        metavar='PATTERN',
-        action='append',
-        default=[],
-        help='exclude paths matching the given glob-like pattern(s)'
-        ' from recursive search')
-
-    args = parser.parse_args()
-
-    # use default signal handling, like diff return SIGINT value on ^C
-    # https://bugs.python.org/issue14229#msg156446
-    signal.signal(signal.SIGINT, signal.SIG_DFL)
-    try:
-        signal.SIGPIPE
-    except AttributeError:
-        # compatibility, SIGPIPE does not exist on Windows
-        pass
-    else:
-        signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
-    colored_stdout = False
-    colored_stderr = False
-    if args.color == 'always':
-        colored_stdout = True
-        colored_stderr = True
-    elif args.color == 'auto':
-        colored_stdout = sys.stdout.isatty()
-        colored_stderr = sys.stderr.isatty()
-
-    version_invocation = [args.clang_format_executable, str("--version")]
-    try:
-        subprocess.check_call(version_invocation, stdout=DEVNULL)
-    except subprocess.CalledProcessError as e:
-        print_trouble(parser.prog, str(e), use_colors=colored_stderr)
-        return ExitStatus.TROUBLE
-    except OSError as e:
-        print_trouble(
-            parser.prog,
-            "Command '{}' failed to start: {}".format(
-                subprocess.list2cmdline(version_invocation), e
-            ),
-            use_colors=colored_stderr,
-        )
-        return ExitStatus.TROUBLE
-
-    retcode = ExitStatus.SUCCESS
-    files = list_files(
-        args.files,
-        recursive=args.recursive,
-        exclude=args.exclude,
-        extensions=args.extensions.split(','))
-
-    if not files:
-        return
-
-    njobs = args.j
-    if njobs == 0:
-        njobs = multiprocessing.cpu_count() + 1
-    njobs = min(len(files), njobs)
-
-    if njobs == 1:
-        # execute directly instead of in a pool,
-        # less overhead, simpler stacktraces
-        it = (run_clang_format_diff_wrapper(args, file) for file in files)
-        pool = None
-    else:
-        pool = multiprocessing.Pool(njobs)
-        it = pool.imap_unordered(
-            partial(run_clang_format_diff_wrapper, args), files)
-    while True:
-        try:
-            outs, errs = next(it)
-        except StopIteration:
-            break
-        except DiffError as e:
-            print_trouble(parser.prog, str(e), use_colors=colored_stderr)
-            retcode = ExitStatus.TROUBLE
-            sys.stderr.writelines(e.errs)
-        except UnexpectedError as e:
-            print_trouble(parser.prog, str(e), use_colors=colored_stderr)
-            sys.stderr.write(e.formatted_traceback)
-            retcode = ExitStatus.TROUBLE
-            # stop at the first unexpected error,
-            # something could be very wrong,
-            # don't process all files unnecessarily
-            if pool:
-                pool.terminate()
-            break
-        else:
-            sys.stderr.writelines(errs)
-            if outs == []:
-                continue
-            if not args.quiet:
-                print_diff(outs, use_color=colored_stdout)
-            if retcode == ExitStatus.SUCCESS:
-                retcode = ExitStatus.DIFF
-    return retcode
-
-
-if __name__ == '__main__':
-    sys.exit(main())
diff --git a/.travis_scripts/run-clang-format.sh b/.travis_scripts/run-clang-format.sh
deleted file mode 100755
index ded76aaf5..000000000
--- a/.travis_scripts/run-clang-format.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-python $DIR/run-clang-format.py -r $DIR/../src/**/ $DIR/../include/**/
diff --git a/.travis_scripts/travis.before_install.linux.sh b/.travis_scripts/travis.before_install.linux.sh
deleted file mode 100644
index 9b556de15..000000000
--- a/.travis_scripts/travis.before_install.linux.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-set -vex
-
-# Preinstalled versions of python are dependent on which Ubuntu distribution
-# you are running. The below version needs to be updated whenever we roll
-# the Ubuntu version used in Travis.
-# https://docs.travis-ci.com/user/languages/python/
-
-pyenv global 3.7.1
diff --git a/.travis_scripts/travis.before_install.osx.sh b/.travis_scripts/travis.before_install.osx.sh
deleted file mode 100644
index e69de29bb..000000000
diff --git a/.travis_scripts/travis.install.linux.sh b/.travis_scripts/travis.install.linux.sh
deleted file mode 100644
index 6495fefe9..000000000
--- a/.travis_scripts/travis.install.linux.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-set -vex
-
-pip3 install --user meson ninja
-which meson
-which ninja
diff --git a/.travis_scripts/travis.install.osx.sh b/.travis_scripts/travis.install.osx.sh
deleted file mode 100644
index 5d83c0c71..000000000
--- a/.travis_scripts/travis.install.osx.sh
+++ /dev/null
@@ -1 +0,0 @@
-# NOTHING TO DO HERE