Merge pull request #142 from wick-ed/master

pbc functionality and user rights management
Merge pull request #143 from wick-ed/master

some changes in the rights management workflow
Bugfix invalid group assignment in abstract extractor
Merge pull request #144 from wagnert/master

Bugfix invalid group assignment in abstract extractor
Add functionality to set correct userg/group permissions during startup process
Merge pull request #145 from wagnert/master

Add functionality to set correct userg/group permissions during startup ...
Add user/group permissions to deployment flag files
Merge pull request #146 from wagnert/master

Add user/group permissions to deployment flag files
basic integration of PDO connected configuration elements