[gtk] (55 commits) Non-fast-forward update to branch window-destroy

[Matthias Clasen <matthiasc src gnome org>]

The branch 'window-destroy' 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:

  99c9361... Stop using gtk_widget_destroyed
  2139f58... Drop gtk_widget_destroyed
  c8278f2... fontchooserdialog: Fix disposing
  46d9170... colorchooserdialog: Fix disposing
  250f964... filechooserdialog: Fix disposing
  1a3184e... popover: Fix a reference leak
  4f1df23... testsuite: Clean up unexpected children
  fdd8497... nativedialog: Do not ref the transient_for parent
  c644b78... window: Add gtk_window_destroy
  72ddb2c... Use gtk_window_destroy
  073f0a8... Replace gtk_widget_destroy everywhere
  1c8008d... window: Implement gtk_window_destroy
  3970535... widget: Drop gtk_widget_destroy
  229a599... testsuite: add widget refcount test case
  50d8742... window: Remove _set_has_user_ref_count
  d759072... Unset tooltip window earlier
  365838f... Update the docs

Commits added to the branch:

  b7bfb29... tests: Fix print-editor (*)
  edfaa5f... tests: Fix overlayscroll (*)
  0f57e6c... tests: Fix syncscroll (*)
  778d388... tests: Fix testaccel indentation (*)
  1c03745... tests: Fix testaccel layout (*)
  31e3c1e... tests: Fix testappchooser test (*)
  de5939f... tests: Fix testadjustsize test (*)
  1fd75d0... tests: Add missing margin to simple test (*)
  e162b3e... tests: Fix testcalendar layout (*)
  9efdf3c... tests: Fix testcombo (*)
  9af4a42... tests: Update testcombochange test (*)
  02b2777... tests: Fix testdialogtest (*)
  f2542e9... tests: Fix testdnd popup (*)
  466e8a7... tests: Add missing margin for testentrycompletion (*)
  b2f2b3f... tests: Fix testfilechooser test (*)
  6920fc3... tests: Fix testfontchooser layout (*)
  25295d1... tests: Fix testgiconpixbuf test (*)
  7a09143... tests: Add missing margin for testglarea (*)
  9970424... tests: Fix testgmenu (*)
  4277eee... tests: Fix testgtk (*)
  fb0dcaf... tests: Expand content for testheaderbar (*)
  68fb643... tests: Fix testheightforwidth layout (*)
  e0d36d1... tests: Fix testiconview (*)
  7aeb504... tests: Fix testlogout (*)
  7c148be... tests: Remove use-popover from testmenubutton (*)
  c9760ed... tests: Remove testmodelbutton (*)
  14dc92c... tests: Simplify testorientable (*)
  4361a88... tests: Fix testoverlay (*)
  b2da99f... tests: Fix testselectionmode (*)
  1d2af90... tests: Fix teststack "add icon" button (*)
  2940b17... tests: Fix teststackedheader (*)
  58fcd09... tests: Fix testtreeelistmodel (*)
  531468c... test: Stop using stock-size for teestverticalcells (*)
  2323e8d... tests: Remove orientation from testvolumebutton (*)
  56f56e6... tests: Connect signal properly for testvolumebutton (*)
  ea9cea9... tests: Remove redundant image from testdialog (*)
  228b3fc... tests: Stop explicitly showing widgets (*)
  9ce7b16... Merge branch 'wip/exalm/test' into 'master' (*)
  8f9c3ed... Stop using gtk_widget_destroyed
  573b20a... Drop gtk_widget_destroyed
  b6bfeb7... fontchooserdialog: Fix disposing
  4b14485... colorchooserdialog: Fix disposing
  0ba1aad... filechooserdialog: Fix disposing
  ddebf07... popover: Fix a reference leak
  466d2a8... testsuite: Clean up unexpected children
  81340da... nativedialog: Do not ref the transient_for parent
  48821a6... window: Add gtk_window_destroy
  cd0081d... Use gtk_window_destroy
  025375f... Replace gtk_widget_destroy everywhere
  6aebedb... window: Implement gtk_window_destroy
  0f10b17... widget: Drop gtk_widget_destroy
  e5d6b49... testsuite: add widget refcount test case
  1306727... window: Remove _set_has_user_ref_count
  177c0eb... Unset tooltip window earlier
  6d969d1... Update the docs

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