Merge pull request #269 from patriot1burke/master

refactor adapters
Added documentation for admin access control
Merge pull request #270 from stianst/master

Added documentation for admin access control
Fix testsuite with Mongo. Added ClientAdapter and ClientEntity to mongo model to improve inheritance
Added MongoClientProvider. Possibility to configure mongo from external source
Added docs for installed applications
Merge pull request #272 from stianst/master

Added docs for installed applications
Merge pull request #271 from mposolda/mongo

Fix mongo to pass with testsuite. Other improvements
remove transaction
adapter refactoring