Move plugin projects into Plugins solution folder.
Move plugin projects into Plugins solution folder.

damiensawyer/cassette,honestegg/cassette,BluewireTechnologies/cassette,BluewireTechnologies/cassette,andrewdavey/cassette,damiensawyer/cassette,andrewdavey/cassette,damiensawyer/cassette,honestegg/cassette,andrewdavey/cassette,honestegg/cassette