add TUser all the way down fixes #32
Merge remote-tracking branch 'remotes/upstream/master' into MultiLicenseSupport

Conflicts:
	src/FlexProviders.EF/FlexMembershipUserStore.cs
	src/FlexProviders/Membership/FlexMembershipProvider.cs
	src/FlexProviders/Membership/IFlexUserStore.cs

merged in update to let TUser come out¨from upstream