[gnome-terminal] (6 commits) Non-fast-forward update to branch wip/fmuellner/headerbar

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/fmuellner/headerbar' 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:

  6cfdf57... window: Use G_DEFINE_TYPE_WITH_PRIVATE() macro
  4df6eaa... window: Use a headerbar
  44d508d... window: Move new-tab button into headerbar
  c7e120c... window: Move app menu into headerbar
  b204b74... window: Expose find action in headerbar
  0841571... window: Expose more actions in primary menu

Commits added to the branch:

  4b9f6d3... app: Remove app menu (*)
  7b6226a... window: Add headerbar infrastructure (*)
  b928e97... window: Move new-tab button into headerbar
  bec8d86... window: Expose find action in headerbar
  46ee5ed... window: Add primary menu to headerbar
  414e5f5... window: Expose more actions in primary menu

(*) This commit already existed in another branch; no separate mail sent