[marco/f20] (6 commits) ...update to 1.8.3 release

[Wolfgang Ulbrich]

Summary of changes:

  d30cef3... fix to fix a release, LOL (*)
  53056a6... fix compositor-xrender: don't add shadows to ARGB (*)
  1b4a4a1... fix resizing of CSD applications (*)
  af4395d... add runtime require mate-desktop-libs to fix usage of initi (*)
  670150a... update to 1.8.3 release (*)
  701b8f4... update to 1.8.3 release

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