Merge pull request #47 from kshah2451/keval

Remade sprite with colours. Added desert theme background. Removed onPau...
styled options menu and drop down menu for themes
styled options menu and added drop down menu for theme selection
Merge pull request #48 from kshah2451/cerealb0x

Cerealb0x
Finished sending to Android from DE2
Finished DE2 to Android with cooperation
Merge pull request #49 from kshah2451/david

DE2 to Android Communication
added themes
Merge pull request #50 from kshah2451/cerealb0x

added themes
Added stuff
added a game timer and a new victory screen
Merge pull request #51 from kshah2451/cerealb0x

added a game timer and a new victory screen
Finished up android to DE2 server connection and store downloaded image in new directory.
Finished server to android transactions. Added functionality to display file list. Fixed null pointer exceptions that were being thrown when No theme was selected and back button was pressed in game.