Added button to clear cell in editor
Can now trap animals on a single square
Remove toggle fill option
Small css change
Rearranged level select screen
Added a couple of new levels
Minor update to one of the levels
Attempted 'fix' of touch bug
Merge branch 'gh-pages'

Conflicts:
	beatLevel.js
	failedLevel.js
	game.js
	levelEditor.js
	levelSelect.js
Couple more levels