updated gradle for android studio 0.5.0
Merge pull request #17 from BrightcoveOS/update_gradle_for_android_studio_050

updated gradle for android studio 0.5.0
Merge branch 'master' of github.com:BrightcoveOS/android-player-samples into cast_sample_app_firstpass
fixed dependency tree for cast app
Merge branch 'cast_sample_app_firstpass' of github.com:BrightcoveOS/android-player-samples into cast_sample_app_firstpass