[calibre/f17] (9 commits) ...Merge remote-tracking branch 'origin/master' into f17

[Kevin Fenzi]

Summary of changes:

  9ac65f2... Update to 0.8.43 (*)
  dbdbba0... Update to 0.8.44 (*)
  dea7ba3... Update to 0.8.45 (*)
  8369176... Update to 0.8.47 (*)
  f786c14... Update to 0.8.48 (*)
  7eac43e... Use bundled pyPdf. Approved by  FPC at: https://fedorahoste (*)
  98dccb0... Update to 0.8.49 (*)
  c6f1539... Update to 0.8.50. (*)
  a7f6b1f... Merge remote-tracking branch 'origin/master' into f17

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