[Build] Use build stages

 By using build stages we can test all jdk versions before deploying the
 artifacts. This allows all artifacts to be build on jdk8, simplifying
 the build configuration.

Author: mpkorstanje

.editorconfig

@@ -8,6 +8,6 @@ charset = utf-8
 indent_style = space
 indent_size = 4
 
-[*.feature]
+[*.{feature, yml}]
 indent_style = space
 indent_size = 2

.travis.yml

@@ -1,7 +1,7 @@
 ---
 language: java
 
-# get us on the new container based builds, we're not using any fancyness
+# Use container based builds. They are faster and we do not need sudo.
 sudo: false
 
 before_install:
@@ -16,16 +16,22 @@ cache:
   directories:
     - $HOME/.m2
 
-matrix:
+jdk:
+  - openjdk7
+  - oraclejdk7
+  - oraclejdk8
+
+
+# Stage 0: Test -  Builds against all jdks
+script: mvn -q install
+
+
+jobs:
   include:
-  - jdk: openjdk7
-    script: mvn -q install
-  - jdk: oraclejdk7
-    script: mvn -q install
-    after_success: mvn -q deploy --settings .travis-settings.xml -Dno.gem.deploy=true -DskipTests=true -Dmaven.javadoc.skip=true
-  - jdk: oraclejdk8
-    script: mvn -q install -P java8
-    after_success: mvn -q deploy -P java8 -pl java8 --settings .travis-settings.xml -DskipTests=true -Dmaven.javadoc.skip=true
+    # Stage 1: Deploy - Builds and deploys all artifacts with java 8.
+    - stage: deploy
+      jdk: oraclejdk8
+      script: mvn -q deploy --settings .travis-settings.xml -Dno.gem.deploy=true -DskipTests=true -Dmaven.javadoc.skip=true
 
 env:
   global: