Adding Obsolete attributes to methods in Document class that has been updated.
Updating the PublishingStrategy to fire final event after content and xml has been properly updated in the db.
Adding a few new methods to the ContentService.
them in each method since they are only supposed to be using their single unit of work anyways (resolving
will return the same repository anyways, but in some cases it might have been with a different UOW)
Removed SetUnitOfWork method on IRepository as this is not needed.
Removed the old implementation of RepositoryResolver and replaces it with the RepositoryInstanceResolver (but
maintained the name of RepositoryResolver)
