updated nugets
updated nuget
Merge branch 'dev'

Conflicts:
	Source/Core.EntityFramework.Tests/Core.EntityFramework.Tests.csproj
	Source/Core.EntityFramework.Tests/packages.config
	Source/Core.EntityFramework/Core.EntityFramework.csproj
	Source/Core.EntityFramework/packages.config
	Source/SelfHost/Host.csproj
	Source/SelfHost/packages.config