Empty directories listed as targets are now removed during clean subcommand execution
Empty directories listed as targets are now removed during clean subcommand execution

--HG--
extra : convert_revision : javier.collado%40canonical.com-20091012084315-1fi05iiryo424f82

Hinidu/doit,lelit/doit,pydoit/doit,lelit/doit,gh0std4ncer/doit,lelit/doit,lelit/doit,JohannesBuchner/doit,saimn/doit,wangpanjun/doit