Added folder dependency support for both MVC and WebForms
pre defined bundles working
Updates EnsureNoDuplciates for much better performance and fixes an issue with detecting duplicates.
Fixes 13217 - ensures the same order of the items added.
Ensures that UpdateFilePaths and EnsureNoDuplicates are only executed once per request, as they could be
executed multiple times based on the http filter and the razor view.