Merge pull request #572 from NicoleRauch/master

SympaStub und SympaCache
Fixing #569
moving function to groups and members api
mini tuning
test for #569
Fix for #570
- including signature change for   updateAdminlistSubscriptions in groups and members api
added and restructured tests for groups and members
refactored for more sense
Merge pull request #573 from leider/master

admin list updates now working again for all situations
fixing crash if language in markup unknown
fix for updated node-validator (2.1.0)
Merge pull request #574 from leider/master

fixing crash if language in markup unknown
fix for updated node-validator (2.1.0) one more
updated validator to version 3.x.x and increased tested functionality in the module
statusmessage: cleanup and tests - much simpler interface now
Merge pull request #576 from leider/master

statusmessage: cleanup and tests - much simpler interface now