Implement multiple music play on title screen
Default is randomized each time the title screen is displayed.
Merge branch 'master' into multiMusicSupport
New graphics for main menu. Placeholder graphics for options menu
New graphics for quit menu
fix errors when running level standalone
Merge pull request #177 from thegsm/multiMusicSupport

Multi music support
Merge pull request #178 from lightsoda/master

New graphics for main menu. Placeholder graphics for options menu
Merge branch 'master' into bobDev