Adds conditional for pushing builds on master and beta branch

Author: Josh Deffibaugh

.travis.yml

@@ -22,3 +22,4 @@ before_script:
   - adb shell input keyevent 82 &
 script:
   - ./gradlew testAllModules
+  - if [ "$TRAVIS_BRANCH" == "beta" ] || [ "$TRAVIS_BRANCH" == "master" ]; ./gradlew ship; fi