[gnome-maps] (4 commits) Non-fast-forward update to branch wip/mlundblad/night-mode

[Marcus Lundblad <mlundblad src gnome org>]

The branch 'wip/mlundblad/night-mode' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  3ed5612... mapSource: Add function to create dark source
  9fe7f94... mapView: Use dark tiles when night mode is active
  0220495... layersPopover: Show dark street thumbnail when night mode a

Commits added to the branch:

  9e02b6b... layersPopover: Add checkbox to toggle night mode
  75cda40... mapSource: Add function to create dark source
  86f8881... mapView: Use dark tiles when night mode is active
  74af40c... layersPopover: Show dark street thumbnail when night mode a