* moved from lib/vfs/mc-vfs to lib/vfs;
* split by directories for VFS-plugins and moved to src/vfs;
* lib/vfs/vfs-impl.h was merged into lib/vfs/vfs.h.
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
Signed-off-by: Slava Zanko <slavazanko@gmail.com>
