More changes for registration.
autofac dependencies and files
Merge from develop
Unit test updates and support for late building of containers required by autofac
Fixes for unit tests and autofac specifics
Added nuspecs
Refactor to support autofac better.
Merge branch 'autofac-sp' into develop

Conflicts:
	Cardinal.IoC.UnitTests/Registration/BasicRegistrationTests.cs
	Cardinal.IoC.Windsor/WindsorContainerAdapter.cs
	Cardinal.IoC/ContainerAdapter.cs
	Cardinal.IoC/ContainerManager.cs
	Cardinal.IoC/IContainerAdapter.cs
Unity change
Added more unit tests
Added tests for external containers
Added some annotations
Add license headers to all files
Minor amends
Merge remote-tracking branch 'origin/licenses-sp' into develop
Refactored to use an adapter factory
Nuspec changes
Nuspec change
Changed nuspecs
Nuspec changes