[mate-control-center/f18] (4 commits) ...Merge branch 'f18' into f17

[Rex Dieter]

Summary of changes:

  3fff803... add missing build requires (*)
  011c09c... add missing build requires (*)
  beb0bca... Merge branch 'master' into f18 (*)
  a4f5d2b... Merge branch 'f18' into f17 (*)

(*) This commit already existed in another branch; no separate mail sent