Sync git-flow 1.8.0-1 (universe) from Debian testing (main)

Please sync git-flow 1.8.0-1 (universe) from Debian testing (main)

Explanation of the Ubuntu delta and why it can be dropped:

  The ubuntu delta is a mistake: while it updates to 1.6.0 from Peter
  van der Doe, it drops the shell completion. The Debian package is an
  upgrade to 1.8.0 and keeps the shell completion. Everything in the
  ubuntu delta is in the Debian package, minus the mistake of removing
  the shell completion.

Changelog entries since current utopic version 1.6.1-0ubuntu1:

git-flow (1.8.0-1) unstable; urgency=HIGH

  * New upstream release.
    + Fixes "Bad variable name" error when there are spaces in the current
      directory path. (Closes: #763725)
  * Urgency high due to fixing a grave bug.
  * Updated the watch file, to not create silly named files. This
    hopefully fixes the issue on tracker.d.o.

 -- Gergely Nagy <email address hidden> Sat, 04 Oct 2014 11:37:42 +0200

git-flow (1.7.0-1) unstable; urgency=medium

  * New upstream release, moving to Peter van der Does' version.
    + This drops the patch that was applied in 0.4.1-2, and hence reopens
      #642194.
    + All appropriate files (debian/watch, copyright, etc) updated.
    + Completion was switched to Peter's fork too.
  * Debhelper compat level bumped to 9.
  * Standards-Version bumped to 3.9.5 (no changes necessary)
  * Install the example hooks to /usr/share/doc/git-flow/hooks/.

 -- Gergely Nagy <email address hidden> Sat, 28 Dec 2013 12:45:13 +0100

This also fixes https://github.com/petervanderdoes/gitflow/issues/166,
which reminded me to request a sync.