Added transparent layer to the bottom of the main menu logo.
Made scoring mechanism exponential based upon how long the user is sitting on the charging pad each time.
Reorganized the way the blowup animation is executed on the buttons. Added animation to other buttons. Cleaned up view state switching. Added lots of comments.
Discovered and band-aid'ed a bug with the activity lifecycle of the app, which was causing it to crash if the game was relaunched directly after being minimized.
Fixed bug in music playback which could cause music to play non-stop, even after exiting the app.
Fixed bug where app would crash on first launch due to a variable not being instantiated properly in onCreate().
Created PointUtils class to collect commonly used point functions.
Currently had distance formula. 

Removes potential for error when typing it manually. 

Changed all distance formula calls to PointUtils.getDistance(...).
Merge pull request #4 from Purdue-ACM-SIGAPP/pointutils

Moved all instances of the hardcoded distance formula to a utils class.
Implemented several changes to improve backward compatibility with older devices.
Merge branch 'master' into level-json

Conflicts:
	SpaceEscape/src/edu/purdue/cs/spaceescape/GameBoardActivity.java