minor login/signup labeling changes.
Merge branch 'master' of https://github.com/BloomBooks/BloomLibrary
Merge pull request #2 from JohnThomson/feature/BackClosesDetails

Make the detail dialog close when the back button is clicked.
Merge branch 'master' into feature/RemoveUserName

Conflicts:
	src/BloomLibrary_AngularApp/app/modules/login/login.tpl.html