Added missing files for EF6 support
Merge remote-tracking branch 'CSLA/master'

Conflicts:
	Source/Csla.Data.EF6/App.config
Set correct references for EF6 assemblies and usings
Merge pull request #223 from jonnybee/master

Closes #222 - Updated references for EF6 assemblies when target = NET45 and add missing files.