Added xfce4 session manager.


git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@1359 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc

Here is the new xfce4 repository. dbh (disk based hash)
package is in base/libraries, everything else in the new
extra/desktop/xfce. xfce4-session (the session manager)
is not included (yet). Compiles and runs - under 1041.


git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@1303 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc