forgot to add the birthday picker change in the previous commit.  now getting started does not prompt you to look for photos you dont have

RegistrationsController#create re-renders the form instead of redirecting, so user doesn't lose what they've entered.
Took out RegistrationsController#update, since all it was doing was calling super.
Took out stubbing of user save, because I actually want to check that save is doing the right thing.

Conflicts:
	app/views/aspects/manage.html.haml
	config/locales/diaspora/en.yml

Conflicts:
	config/locales/diaspora/en.yml