Update bug report URL to github
Makefile.am: Substitute AM_CPPFLAGS for deprecated INCLUDES
Support for running Redshift without a graphical environment in Linux by using Direct Rendering Manager

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Update Fedora spec file with systemd unit install

Install user unit files into %{_userunitdir}.
Update build requirements.
Fix invalid date in changelog.
Merge pull request #42 from maandree/gamma-drm

Support for running Redshift outside X using libdrm
merge upstream

Signed-off-by: Mattias Andrée <maandree@operamail.com>