Merge pull request #201 from NicoleRauch/master

Die Gruppenübersicht zeigt jetzt die Mitgliederzahl der Gruppe
now members can register to events
Rework winston integration to reflect node module caching caveats
Merge branch 'master' into winston
Labeltext changed
Merge pull request #202 from leider/master

participate at events?
Merge branch 'master' into winston
Merge pull request #203 from triplem/winston

Adopt logging to reflect node module loading caveats
Merge pull request #204 from NicoleRauch/master

Version-Menüeintrag jetzt hübsch
winston not needed in configure anymore
persistency bug fix: use only one DB connection, wait for it and allow to disconnect when done
persistence.disconnect() to terminate the app
Merge pull request #205 from triplem/winston-test

winston not needed in configure anymore
Merge pull request #206 from dpolivaev/fixpersistency

persistency bug fix
Added a function displayName to Member that returns the member's full name.
We can send mail :-)
Now the app can send mails via UI input (currently not yet attached anywhere).
Split configuration examples in order to satisfy jshint.
We do not want to check backup files of any editors (e.g. Emacs' *~ files)
Code cleanup and beautification.