[calibre/f18] (6 commits) ...Update to 0.9.0

[Kevin Fenzi]

Summary of changes:

  be15021... Update to 0.8.67 (*)
  95cbce3... Update to 0.8.68 (*)
  981dd96... Add requires for python-netifaces which is needed now. (*)
  1a1fd59... Update to 0.8.69 (*)
  9e686c0... Update to 0.8.70 (*)
  d52d9ee... Update to 0.9.0 (*)

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