[gtk/wip/baedert/for-master] (56 commits) ...shortcutlabel: Inherit from GtkWidget

[Timm Bäder <baedert src gnome org>]

Summary of changes:

  a2fdb55... Adwaita: Fix broken osd popover style (*)
  b9d8eb5... Adwaita: Don't inherit font style to popover (*)
  3eec90c... node editor: Avoid inheriting textview styles (*)
  b8f62d1... Update stackswitcher CSS (*)
  60d63bb... gl: Improve debug spew for caches (*)
  88649b6... gl: Interleave cache aging (*)
  e9ba7ed... gl: Increate the cache check frequency (*)
  e46a7ca... shadow cache: Remove outdated comments (*)
  7bff3ab... glyph cache: Fix handling of big glyphs (*)
  acb7f43... notebook: Avoid a crash (*)
  5ea21f7... gl renderer: Fix an out of bounds read (*)
  bb56b4e... cssimagebuiltin: Don't create cairo nodes for empty icons (*)
  6d20fe0... expander: Rename CSS nodes (*)
  9f5ee77... singleselection: Fix model property (*)
  1b68e76... gtk: Add GtkNoSelection (*)
  01be7f0... widget: Make gtk_widget_activate_action() return TRUE/FALSE (*)
  19304c1... bindings: Add gtk_binding_entry_add_action() (*)
  a1a70a1... bindings: Add gtk_binding_entry_add_callback() (*)
  427deb4... widget: Make gtk_widget_grab_focus() return a boolean (*)
  14c34a7... widget: Make grab_focus() fail on insensitive widgets (*)
  9c1b1eb... widget: Insist that widgets are rooted to be focusable (*)
  4eb0779... widget: Don't grab focus when can-focus == false (*)
  7fc74ea... Merge branch 'otte/for-master' into 'master' (*)
  a00d12c... prototype OpBuffer helper for building op buffer (*)
  571068a... Drop OP_CHANGE_VAO (*)
  58d57e1... gl: Drop buffer_size (*)
  97f3371... gl: avoid calculating vertex_data until necessary (*)
  b53fa48... Fix load_vertex_data (*)
  49748c9... Some more vertex data reshuffling (*)
  c5af463... Cache glyph textures in render nodes (*)
  e34d1b8... gl: Slightly rework the icon cache api (*)
  dd5ee87... gl: Speed up icon cache lookups (*)
  7197743... pixbuf utils: Preserve format information (*)
  be13a23... icon theme: Avoid mime sniffing (*)
  0895f02... icon theme: Avoid a string copy (*)
  173bb2e... gsk: Fix uninitialized memory (*)
  d777300... Fix a crash with glyph caching (*)
  d36d7d9... Merge branch 'fix-popover-styles' into 'master' (*)
  7f2ab0d... bindings: Refactor (*)
  d0e14f7... bindings: Make gtk_bindings_add_callback() allow for varian (*)
  c2a32af... Initialize cursor alpha to 1.0 (*)
  9b87cac... render: Fix goto (*)
  bab7f56... entry: Return boolean from gtk_entry_grab_focus_without_sel (*)
  342d88a... Merge branch 'otte/for-master' into 'master' (*)
  0b1845b... Update Croatian translation (*)
  77e9788... Update Croatian translation (*)
  6c92b82... Merge branch 'wip/chergert/opbuffer' into 'master' (*)
  468295a... Update Croatian translation (*)
  8a603ff... Revert "icon theme: Avoid a string copy" (*)
  5ab5ff7... Cosmetics (*)
  222b6c2... glyph cache: Go back to memcmp (*)
  aeabe3c... gl: Add debug spew to texture atlas (*)
  fdbb925... gl: Remove an unimplemented profiler counter (*)
  3275463... text: Remove an unnecessary queue_draw() call
  380d009... searchentry: Make the text entry expand
  13e99c6... shortcutlabel: Inherit from GtkWidget

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