Point Home menu item to 'ss_entry_point' route.
Add ability to revoke second factors.
Add unextractable translation keys.
Merge branch 'develop' into feature/token-revocation

Conflicts:
	src/Surfnet/StepupSelfService/SelfServiceBundle/Service/SecondFactorService.php
Ignore coupling between objects in SecondFactorService.
Update Middleware client bundle.
Merge pull request #24 from SURFnet/feature/token-revocation

Add ability to revoke second factors