Got in-game menu functional, added hover color to menu text
Removed unused start function
Added handler to fail out to main menu if you get stuck.
Merge pull request #73 from bbrouse/bbrouse_issue_41

Got in-game menu functional, added hover color to menu text
Merge branch 'master' of https://github.com/bbrouse/shapesmith
Fixing conflicts on master merge.
Added levels 7,8,9.  The positions of these in the level lineup are not final.