Merge pull request #69 from NicoleRauch/master

Ein Bug-Proof für leider
Fix for Issue of pull request 69

 - fixed the cause
 - streamlined the test syntax
Merge pull request #70 from leider/master

Fix für Nicoles gefundenen Bug
authentication for all member pages required
I - the idiot
Merge pull request #71 from leider/master

Authentifizierung ausgeweitet
Now /members/new shows all available groups with checkboxes. (Nothing happens yet, though...)
Different ways of getting at the user and his groups. (Rough cut...)
Now /members/edit also loads the available groups.