Add tooltip with user data

Conflicts:
	app/assets/stylesheets/settings/_bootstrap_overrides.scss
	app/decorators/user_decorator.rb
	app/views/available_users/index.html.haml
	app/views/dashboard/users.rabl
	app/views/users/_base.rabl
Merge pull request #54 from Ragnarson/upstream-user-tooltip

Add tooltip with user data