Delay the creation of App and Viewer until annotator init has finished.
Updated annotator
Merge branch 'async-unite' of https://github.com/hypothesis/h into async-unite

Might have mixed up the merge...

Conflicts:
	h/js/controllers.coffee
	h/lib/annotator.auth.js
	h/lib/annotator.js
	h/lib/annotator.permissions.js
	h/lib/annotator.store.js