[x264/f23] (7 commits) ...Merge branch 'f23'

[Sérgio M. Basto]

Summary of changes:

  fcab7af... Update sources (*)
  e28dc25... Update to last stable version upstream. (*)
  c881a18... Rebuilt for ffmpeg-3.1.1 (*)
  b8cadde... Enable asm in build with 10bit on i686 (*)
  e6cd32a... Add license tag also to x264-libs (*)
  ac69c20... Revert "Revert "Update x264 to 0.148-20160412-fd2c324"" (*)
  db25abd... Merge branch 'f23' (*)

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