Add SettingsActivity
Display simple ListView on MainActivity
Do not fail build on Lint errors
Show targetSdkVersion
Update Gradle build tools to 0.10.+
Update Gradle wrapper to 1.12
Update build tools and dependencies to 19.1.0
Move activities to new package
Update Android Gradle plug-in to 0.11.+
Update Android Gradle plug-in to 0.12.+
Update build tools and dependencies to 20.0.0
Update compile and target sdk version to 20
Increase minSdkVersion to 10
Revert "Do not fail build on Lint errors"

This reverts commit da938b6ace4c3b650fcf5ab91ccbefe003147206.
Fix Travis CI build script
Update Travis CI script
Add INTERNET permission
Add default App Engine Endpoints Module
Update backend application id
Use jcenter() for Gradle dependency resolution