annotation for frontendUser corrected
wrong call of method removeAll in setSingleCategory corrected
[TASK #40] unit tests for Application, AbstractDemand, Organization and Position completed, AbstractDemandTest moved to folder Dto
[TASK #40] Tests for PositionDemand, Profile an Section completed
[TASK #44, #40] inject category repository, avoids calling deprecated function makeInstance, unit test for category completed, closes #40
Merge pull request #46 from dwenzel/unitTests

Unit tests for accessor methods of all models completed