Merge pull request #1 from Graungaard/master

Added an overall time estimation
Added project layout including Models with EF prepared navigation.
Added StudentViewModel
Added BusinessContext with StudentViewModel related functionality
Removed PAC project. Added initial class diagram
Added intial unittest files
Adjusting Model partly done. Added some basic unit tests
Merge pull request #2 from Graungaard/master

mock up
Finished the model code first part. Prepared for unit tests.
Merge branch 'master' of https://github.com/Nicolai-/PlanAChaos