[FFe] Please sync unity-tweak-tool 0.0.4 from upstream git

Please sync unity-tweak-tool 0.0.4 from upstream git.

URL: https://github.com/freyja-dev/unity-tweak-tool

Pull from commit 01f71a1344.

The newer version is primarily bug-fix only and doesn't include any new features. There are some minor code refactoring involved and any bugs arising from it has already been identified and duly fixed in this release.

debian/changelog from upstream:

unity-tweak-tool (0.0.4) raring; urgency=medium

  [ Barneedhar Vigneshwar ]
  * New upstream release
  * data/windowmanager.ui
    - Fix missing signal in the auto-raise switch (LP: #1160782)
  * UnityTweakTool/section/sphagetti/theme.py
    - Fix KeyError when fetching window themes (LP: #1146122)
  * UnityTweakTool/section/unity.py
    - Fix show-desktop switch (LP: #1156266)
    - Fix 'switch between workspace' switch (LP: #1156236)

  [ J Phani Mahesh ]
  * debian/source_unity-tweak-tool.py
    - Update Apport hook to file crash bugs against the package by default
  * setup.py
    - Install translated pot files
  * unity-tweak-tool
    - Fixed and renamed -r parameter to --reset-unity in the wrapper
  * UnityTweakTool/__init__.py
    - Prevent multiple instances using dbus
  * UnityTweakTool/elements/radio.py
    - Fix AssertionError in __init__() (LP: #1156201)
    - Fix AssertionError due to missing overlay-scrollbar package (LP: #1156337)
  * UnityTweakTool/section/sphagetti/compiz.py
    - Fix resetting transparency values (LP: #1099067)
  * UnityTweakTool/section/sphagetti/unity.py
    - Fix AttributeError in refresh(): 'NoneType' object has no attribute 'get_boolean' (LP: #1155331)

  [Sam Hewitt]
  * debian/control
    - Added dependency on python3-cairo (LP: #1156789)
  * UnityTweakTool/section/sphagetti/unity.py
    - Fixed unresponsive 'battery-life' switch (LP: #1129262)

 -- Barneedhar Vigneshwar <email address hidden> Fri, 05 Apr 2013 23:05:49 +0530

This latest version builds fine in Raring PPA (build log:https://launchpadlibrarian.net/136336433/buildlog.txt.gz) and installs fine as well.