Play any song in the music directory
Replaced spaces with tabs
Escape and Start pause and unpause the game
Fixed colors on orange bulge animation
Merge pull request #6 from xordspar0/start-button

Escape and Start pause and unpause the game
Removed unncessary keypressed callback in pauseGameState
Made only A-button a gamepad be recognized as clicked. Made return be recognized as click on keyboard as well.
Moved rules to global var as well. Made options screen actually save options.
Added saving/loading of rules. Fixed data name collision bug.
Added game over music and some preliminary sound effects
Forgot to remove debugging code
Made the click sound a bit quieter.
Squeezed the adv settings menu a bit together.
Merge branch 'master' into custom-music
Remove interlude.ogg from the random song selection
Load songs by song name rather than file name
Merge pull request #8 from xordspar0/custom-music

Custom music
Changed musicmgr to allow mp3 files also
Added visibility flag to buttons
Added bot difficulty selectors to input sel. screen