cleanup
use the full power of sass/compass
fixed typo
cleanup
Fixes #4 and some cleanup
Merge branch 'master' into flat-experimental

Conflicts:
	UCB-Panel/css/flat.css
	UCB-Panel/js/content.js
	UCB-Panel/js/min/content.min.js
	UCB-Panel/js/min/options.min.js
	UCB-Panel/js/min/resources.min.js
	UCB-Panel/pre/coffee/content.coffee
	UCB-Panel/pre/scss/flat.scss
	UCB-Panel/pre/scss/icons.scss
	UCB-Panel/pre/scss/main.scss