Upstream release notes:
- Add Geoclue location provider by Mathieu Trudel-Lapierre.
- Allow brightness to be adjusted (-b).
- Provide option to set color temperature directly (Joe Hillenbrand).
- Add option to show program version (-V).
- Add configure.ac option to install ubuntu icons. They will no longer
be installed by default (Francesco Marella).
- config: Look in %userprofile%/.config/redshift.conf on windows platform.
- Fix: w32gdi: Obtain a new DC handle on every adjustment. This fixes a
bug where redshift stops updating the screen.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>