Merge pull request #56 from kshah2451/keval

Added background music for each theme. Made text size for timer text in ...
Added accelerometer to control the player
Merge pull request #57 from kshah2451/david

Added accelerometer to control the player
resized buttons in hdpi folder
Merge pull request #58 from kshah2451/cerealb0x

resized buttons in hdpi folder
Deleted resources that were not being used. Recycled bitmaps to prevent out of memory exceptions.