put py2 back in and add py36 to setup classifiers

Author: Kully

circle.yml

@@ -4,7 +4,7 @@ machine:
 
     PLOTLY_CONFIG_DIR: ${HOME}/.plotly
     TOX_TESTENV_PASSENV: PLOTLY_TOX_*
-    # PLOTLY_TOX_PYTHON_27: /home/ubuntu/.pyenv/versions/2.7.10/bin/python2.7
+    PLOTLY_TOX_PYTHON_27: /home/ubuntu/.pyenv/versions/2.7.10/bin/python2.7
     PLOTLY_TOX_PYTHON_33: /home/ubuntu/.pyenv/versions/3.3.3/bin/python3.3
     PLOTLY_TOX_PYTHON_34: /home/ubuntu/.pyenv/versions/3.4.3/bin/python3.4
     PLOTLY_TOX_PYTHON_35: /home/ubuntu/.pyenv/versions/3.5.0/bin/python3.5

meta.yaml

@@ -56,7 +56,7 @@ test:
     - plotly.offline
     - plotly.plotly
     - plotly.plotly.chunked_requests
-    # - plotly.validators
+    - plotly.validators
     - plotly.widgets
 
   # commands:

setup.py

@@ -158,6 +158,7 @@ def run(self):
           'Programming Language :: Python :: 3.3',
           'Programming Language :: Python :: 3.4',
           'Programming Language :: Python :: 3.5',
+          'Programming Language :: Python :: 3.6',
           'Topic :: Scientific/Engineering :: Visualization',
       ],
       license='MIT',
@@ -173,6 +174,7 @@ def run(self):
                 'plotly/figure_factory',
                 'plotly/graph_objs',
                 'plotly/grid_objs',
+                'plotly/validators',
                 'plotly/widgets',
                 'plotly/offline',
                 'plotly/matplotlylib',