EDIT project to Android Studio
EDIT readme and new IDE Android Studio
Merge move_to_android_studio
EDIT ui updated with new buttons
FIX restart player exception
RENAME project package
EDIT gui
FIX close and pause break bug
ADD SoundPool class to manage sounds play to avoid more bugs with IlegalState
ADD release resources on pause
CLEAN
REMOVE SoundPool because it was not working on old devices ( < 4.0 )
FIX now pause the sound onPause.