Migrated to Android Studio Gradle based build system
Use Gradle for library dependencies
Removed invalid test class
Depend on v4 of the support library just like before
Removed app version and SDK version info as they are manged my the Gradle build script
Exclude duplicate files in JARs to fix build
Merge remote-tracking branch 'origin/master' into android-studio-migration
Merge pull request #24 from notizklotz/android-studio-migration

Android studio migration