Update .gitignore with data/systemd/redshift{,-gtk}.service

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Typo in DESIGN: whic => which

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Adjustment method common changes for support for using any number of CRTC:s in any number of screens

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Multi-monitor–multi-screen support in gamma-dummy

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Multi-monitor–multi-screen support in gamma-randr

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Multi-monitor–multi-screen support in gamma-vidmode

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Multi-monitor–multi-screen support in gamma-drm

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Multi-monitor–multi-screen support in gamma-w32gdi

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Suppress warnings, mostly unused parameter but also on signness difference in a comparision

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