Let Gradle out of Travis for the moment - needs additional review

.travis.yml

@@ -7,9 +7,7 @@ android:
     - android-19
 before_install:
   - rm pom.xml
-  - ./setup_env.sh gradle
 script:
-  - ./gradlew clean build
   - ./setup_env.sh ant
   - ant clean
   - ant debug