Don't allow creation of a new maildir folder if there is already a folder with the same name in ~/Mail which has a cur, tmp or new subfolder. This was requested by Ingo.
Don't allow creation of a new maildir folder if there is already a folder with the same name in ~/Mail which has a cur, tmp or new subfolder. This was requested by Ingo.

svn path=/trunk/kdepim/; revision=270288

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi