Updated to Latest EF 6

Updated packages and code to work with EF 6 and updated universal
providers.
srt
Merge branch 'Develop' of https://github.com/jtolar/Thinktecture.IdentityServer.v2 into Develop

Conflicts:
	src/OnPremise/WebSite/Web.config
	src/OnPremise/WebSite/packages.config
commit