Drop in existing custom styles
Move lib to app
Setup as gem
Rename application.css to icing.css
Add app icons
Fix: green bar doesn't hide content when horizontal
Fix: vertically center app nav icons
Merge branch 'opensource'
Global nav cursor is always pointer for icons
Merge branch 'opensource'

Conflicts:
	lib/icing/assets/stylesheets/icing.css.scss.erb
	lib/icing/assets/stylesheets/icing/settings.css.scss