Moved getting an IProfile to an extension method, as its not commonly used.
Removing dependencies in ContentService, so the Services and context can be moved to Core proj.
Implementing Template repository to use both filesystem and db.
Added implementation of an infrastructure configuration section.
Added unit tests for the RepositoryResolver to verify that it can resolve all repository types and their configured cache provider.
Added a CssParser which is used internally by the Stylesheet class, but still needs a bit of work - primarily testing.
Resolves a couple of naming conflicts for Template.
