[lightsoff] (9 commits) Non-fast-forward update to branch arnaudb/rework-ui

[Arnaud B. <arnaudb src gnome org>]

The branch 'arnaudb/rework-ui' 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:

  edcf8a8... Add a "Start Puzzle" menu button.
  3198713... Do not use headerbar subtitle.
  1ca991a... Create AspectFrame in UI file.
  34ffa43... Adapt new UI to small screens.
  d7a77c1... Fix warning.
  b785a2c... Add first-level hint.
  787499d... Move a resource.
  78415ed... Add a restart action.
  b0e6297... Change a string.

Commits added to the branch:

  171a60c... Add a "Change Puzzle" menu button.
  661bec8... Do not use headerbar subtitle.
  fa59b48... Create AspectFrame in UI file.
  07e94fb... Adapt new UI to small screens.
  7b423bf... Fix warning.
  922fb4d... Add first-level hint.
  e189397... Move a resource.
  296c64b... Add a restart action.
  40c8926... Change a string.