Add note about smusher
Add height: 100% to HTML tag
Mina-rollbar
Update Gemfile.lock and fix specs accordingly
Merge branch 'master' of github.com:jmuheim/base
Add hide_visually CSS mixin
Add slugify and update gems
Merge branch 'master' of github.com:jmuheim/base
Merge branch 'master' into features/design

Conflicts:
	Gemfile
	Gemfile.lock