Database First

Deleted everything that was in the model. Swapped the database being
used for a non-code first one. Generated the edmx and fiddled with the
models in the designers until they looked correct. No further testing
can be done until integration has occurred.
Merge branch 'master' of https://github.com/tylerkern/pro260_team4

Conflicts:
	pro260_team4/Models/Team.cs
Merge branch 'master' of https://github.com/tylerkern/pro260_team4