Merge pull request #13 from piwatake/master

background image changes
Moved some in-page css and js to the appropriate files, tweaked button actions.
Remove braces when used.
Separated messages from game logic, creating hooks for sounds & effects.
Fixed bug in erasing words.
fixed startswih incompatiblity with chrome
fixed startsWith incompatiblity with chrome
fixed off by one in code selection and fix width to be 12 characters only
Merge branch 'master' of https://github.com/robmurrer/heartbleed-game into robmurrer-master

Conflicts:
	js/game_module.js
Merge branch 'robmurrer-master'
Computer sounds! From a real computer!
Added volume control to the playSound function.
Merge pull request #16 from sonic45132/master

Added volume control to the playSound function.
Fixed crash on too many power cycles.
Merge pull request #17 from sonic45132/master

Fixed crash on too many power cycles.
Fixed items not being blanked out in Chrome.
Merge branch 'master' of https://github.com/DrKylstein/heartbleed-game
added help button functionality
Merge remote-tracking branch 'origin/master'