Removing box-sizing partial

using bourbon's
Removing user-select partials

Not needed, autoprefixer takes care of it
Compressing CSS

oops
Merge remote-tracking branch 'origin/pr/665' into pr/665

* origin/pr/665:
  Compressing CSS
  Removing user-select partials
  Removing box-sizing partial

Conflicts:
	_build/templates/default/sass/index.scss
	manager/templates/default/css/index.css