New upstream release.

 - Add support for Scale and ScaledDirectories keys (Closes: #877202).
 - DesktopEntry: New method findTryExec() (Closes: #618514).
* Drop patches applied upstream: fix-DesktopEntry-docstring.patch
  prefer-first-glob-for-finding-mimetype.patch, and
  fix-insecure-use-of-tmp.patch.