Group id is always transformed to lowercase because Sympa also transforms it to lowercase.
Tests must be adapted, not production code :-)
Explain downcasing in groupstore.
More test adaptions to lowercase and to required id field.
Merge remote-tracking branch 'upstream/master'
Merge pull request #182 from leider/master

lots of technical changes
Merge remote-tracking branch 'upstream/master'

Conflicts:
	test/groups/groupsAPI_test.js
Merge pull request #183 from NicoleRauch/master

Group ID ist jetzt immer lowercase (Sympa macht das auch so)
Group-emails are also allowed to contain dashes.
Group-emails are also allowed to contain dashes.
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/NicoleRauch/NeuePlattform-Implementierung

Conflicts:
	public/clientscripts/check-groupform.js
Merge pull request #184 from NicoleRauch/master

Die Mailadressen von Gruppen dürfen auch Bindestriche enthalten.
changed reference form to textfield
additional tests & refactoring
test is obsolete
redundand test
Merge branch 'master' of https://github.com/leider/NeuePlattform-Implementierung