[qt/f16] (10 commits) ...Merge branch 'master' into f17

[Rex Dieter]

Summary of changes:

  119248c... - disable Using gold linker, g++ doesn't support flags gold (*)
  747f71f... get rid of timestamp which causes multilib problem (*)
  5f18fc6... demos: Requires: -doc (#795859) (*)
  934f9ee... - Rebuilt for c++ ABI breakage (*)
  e3bfd6e... 4.8.1 (*)
  52ef45e... adapt patches (*)
  9c12e23... add correct flags (*)
  81f4e80... drop long-unused kde-qt-patches.sh (*)
  6e27663... Header file name mismatch in qt-devel i686 (#808087) (*)
  97b27a9... Merge branch 'master' into f17 (*)

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