Merge pull request #36 from NicoleRauch/master

Profile page now shows the registered groups as well
passing nconf now down to persistence
Merge pull request #37 from leider/master

Nconf now also used in persistence and tests
Add some notes on mongo handling
Make it look nice
Merge pull request #38 from triplem/master

Some hints on mongo handling
fixed the members vs. members/ link problem
merge

Merge remote-tracking branch 'upstream/master'
hints shortened
merge conflict resolved
Merge pull request #39 from leider/master

small changes - see commits
Remove unnecessary console.log statements
General cleanup of the groups REST API. Moved logic to internalAPI. Some reuse of logic. Does not work yet, though...
Added error handling in the data adapters.
Minor cleanup and typo fixes.
Merge pull request #40 from triplem/master

A real small one
groups-test now runs again, tests only minimal stuff.
"@softwerkskammer.de" suffix should be added where it is required - at the lowest possible level.
Moved group filtering to where it belongs.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/groups/index.js
	lib/groups/internalAPI.js