efm: use freedesktop icons from icon theme.
efm: use freedesktop icons from icon theme.

This almost remove need of e_fm_mime.c since it will use efreet, but
may bring some slowdowns due efreet. In this case let's try to
optimize efreet and improve everything.



git-svn-id: 6ac5796aeae0cef97fb47bcc287d4ce899c6fa6e@39315 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

jordemort/e17,jordemort/e17,jordemort/e17