Bug 959694 Combine statusbar and Rocketbar.
Merge branch '959694-rocketbar' of github.com:benfrancis/gaia into benfrancis-959694-rocketbar

Conflicts:
	apps/search/test/marionette/lib/search.js
	apps/system/js/rocketbar.js
	apps/system/js/title.js
	apps/system/style/rocketbar/rocketbar.css
	apps/system/test/unit/title_test.js