module cleanup, move membership controller to be referenced from directive

Change-Id: I54b816e214664ccd6efbaa4867c0f28e91583bba
no members text

Change-Id: I48b3a776939e6c12533e3e7be689cf5a51caf0f1
make all variables in template set in directive element

Change-Id: I95331bd013a9c97c1ce8f0c5f6ace5915f6aa167
Merge pull request #2 from jtomasek/angular_membership

Template and directive tweaks