Redshift 1.11

• Add option preserve for gamma adjustment methods (randr, vidmode, quartz, w32gdi) to apply redness on top of current gamma correction.
• Fix #158: Add redshift.desktop file to resolve an issue where Geoclue2 would not allow redshift to obtain the current location (Laurent Bigonville)
• Fix #263: Make sure that the child process is terminated when redshift-gtk exits.
• Fix #284: A sample configuation file has been added to the distribution tarball.
• Fix warning message in redshift-gtk that is some cases caused redshift-gtk to fail (#271) (Christian Stadelmann, Javier Cantero)
• Fix #174: Use nanosleep() for sleeping to avoid high CPU load on platforms (NetBSD, ...) with limitations in usleep() (Piotr Meyer)
• Various updates to man page and translations.