[gtk] (24 commits) Non-fast-forward update to branch columnview-menu

[Matthias Clasen <matthiasc src gnome org>]

The branch 'columnview-menu' 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:

  c6dec11... More action tests
  d1e5a14... columnviewcolumn: Add a menu property
  6f6f073... columnviewtitle: Display a context menu
  d6eefeb... wip: Add a header menu to settings demo

Commits added to the branch:

  0bd039a... gtk-demo: Don't show main window if --run is passed in (*)
  1995ad6... Add a forgotten export (*)
  af65b7e... More action tests (*)
  f89a1b0... Merge branch 'matthiasc/for-master' into 'master' (*)
  ed02bea... Merge branch 'action-tests' into 'master' (*)
  c6c8263... columnview: Add column reordering (*)
  e195341... gtk-demo: Flesh out the settings demo (*)
  382153e... gtk-demo: Fix keynav in the puzzle (*)
  cc87816... gtk-demo: Fix a crash in the puzzle (*)
  a36e2bc... Fix frameclock going backwards (*)
  7910596... Remove position from GdkScrollEvent (*)
  0b9a3fc... Merge branch 'ebassi/scroll-position' into 'master' (*)
  8dfbef5... Merge branch 'matthiasc/for-master' into 'master' (*)
  b814970... Merge branch 'fix-frameclock-going-backwards' into 'master' (*)
  fe73730... Merge branch 'gtk-demo-run-no-main-window' into 'master' (*)
  59218d0... Update Indonesian translation (*)
  7a50f86... print backend: Fix list model handling in dispose (*)
  6652e14... Update action muxer hierarchy propertly (*)
  0266bca... Add a test for the previous fix (*)
  b62564f... columnviewcolumn: Fix visibility implementation (*)
  45c1931... columnviewcolumn: Add a menu property
  17cb151... columnviewtitle: Display a context menu
  08a1b90... Add a header menu to settings demo
  77be8bf... Add more columns to the settings demo

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