[calibre/f15/master] (16 commits) ...Merge remote-tracking branch 'origin/master' into f15/master Update to latest in f15.

[Kevin Fenzi]

Summary of changes:

  112e7d5... Update to 0.7.45 (*)
  551b64a... Update to 0.7.46 (*)
  7d60310... Update to 0.7.47 (*)
  75c6298... rebuild for icu 4.6 (*)
  d0f959b... Update to 0.7.49 (*)
  d6087ee... Rebuild (poppler-0.16.3) (*)
  679f251... Update to 0.7.50 (*)
  730d860... Add patch to fix crash on pdf export (BZ #673604) (*)
  e2a0312... Update to 0.7.52 (*)
  1394265... Update to 0.7.53 (*)
  de34978... Update to 0.7.54 (*)
  a2b8d39... filter Provides coming from the plugins dir (*)
  98e0d07... rebuilt against podofo 0.9.0 (*)
  71490b2... Update to 0.7.55 (*)
  532c661... Update to 0.7.56 (*)
  4a4e4ac... Merge remote-tracking branch 'origin/master' into f15/maste

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