[gtk] (24 commits) Non-fast-forward update to branch wip/otte/for-master

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/for-master' 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:

  93612c0... gdktypes: Remove GDK_EXTERN_VAR
  a1ba022... gdk: Split enums from types
  eb32693... css: Don't throw warnings on broken URL in image css

Commits added to the branch:

  3dcda78... gdk: fix MemoryFormat since annotations (*)
  cb3eae1... g-i: add missing since 4.6 annotations (*)
  a07e1bf... Merge branch 'wip/otte/for-master' into 'master' (*)
  513fe87... Update POTFILES.skip (*)
  8176b0c... inspector: Remove list header style (*)
  131683f... inspector: Use a GtkSeparator for the object details toolba (*)
  bec9141... inspector: Use .toolbar for toolbars (*)
  3aee23c... inspector: Use tabular figures for list position label (*)
  7aa34cb... inspector: Add a separator under toolbar in css editor (*)
  2ac8132... inspector: Use consistent GtkTextView margins (*)
  0053160... inspector: Stop using .sidebar for the recorder page (*)
  2aa2b7f... inspector: Clean up the .list style (*)
  516dc79... inspector: Use .list for property list as well (*)
  83319a3... inspector: Expand the controllers column view (*)
  c953e3c... Merge branch 'wip/exalm/polish' into 'master' (*)
  75bba2b... readme: Fix "Building GTK" docs link (*)
  33470fd... Merge branch 'enterprisey-master-patch-53741' into 'master' (*)
  4cda2ae... gdkdisplay: Remove (nullable) (*)
  a6cbeba... Update Latvian translation (*)
  3744cb2... Merge branch 'alatiera/gdk_create_context_nullable' into 'm (*)
  4ea84d3... Merge branch 'bilelmoussaoui/missing-since-annotations' int (*)
  4191915... gdktypes: Remove GDK_EXTERN_VAR
  d726ecd... gdk: Split enums from types
  6624fba... css: Don't throw warnings on broken URL in image css

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