[gtk+] (40 commits) Non-fast-forward update to branch wip/csoriano/pathbar-prototype

[Carlos Soriano Sánchez <csoriano src gnome org>]

The branch 'wip/csoriano/pathbar-prototype' 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:

  0eba908... prototype don't look pls :)
  ae3b174... more size management
  a80b9e1... base funcionality implemented

Commits added to the branch:

  9e2b796... mir: Print hscroll and vscroll values when debugging. (*)
  957135a... Adwaita: Fix menu separators (*)
  f2434e7... file chooser button: Add a style class (*)
  d5ff9af... entry, textview: Use a dedicated style class for magnifier (*)
  85bfe9e... Adwaita: Update magnifier styling (*)
  113c88c... HighContrast: Update magnifier styling (*)
  13d091f... button: Mention differentiating style classes (*)
  e56bb49... popover: Document differentiating style classes (*)
  d229ea3... combobox: Use element names (*)
  0d12cc3... Adwaita: Update combobox styling (*)
  5ebb713... HighContrast: Update combobox styling (*)
  96a485d... gdkrgba: Use %g instead of %.17g to print alpha (*)
  81de33e... inspector: Always show full CSS node tree (*)
  7cdfee7... inspector: Do not show transient nodes (*)
  f6ca908... menushell: don't call gtk_render_background() (*)
  0b52b29... menu: Port to use css nodes (*)
  f8c3e48... Adwaita: Update menu styling (*)
  0e41ff0... HighContrast: Update menu styling (*)
  25e01a3... menu: Document CSS nodes (*)
  2ba9573... menu: Fix up CSS node ordering (*)
  dd01f2d... menu item: Remove an unused member (*)
  ac553d7... check button: Match documented behavior (*)
  aede5c6... menu item: Use CSS nodes (*)
  b6112c6... Adwaita: Update menu item styling (*)
  a0d7b60... menubar: Use an element name (*)
  9f04efd... Adwaita: Update menubar styling (*)
  a5b1cdd... GtkWindow: Fix the shadow width logic (*)
  b3b4282... Fix a memory leak in gtk-3.0.m4 file (*)
  29dd395... x11: Detect single-touch touchscreens as GDK_SOURCE_TOUCHSC (*)
  fa3e0be... GtkWindow: make popover stacking explicit (*)
  9d1b8df... popover: Request raise on ::show (*)
  4f61fd0... texthandle: Request raising of text handle popovers. (*)
  7d8a3a5... GdkDevice: Do not free construct-only properties data on di (*)
  ebdf5f5... widget: Add :focus-on-click property (*)
  9a29a27... Deprecate widget-specific :focus-on-click properties (*)
  e364ae3... Use gtk_widget_set_focus_on_click() instead of deprecated s (*)
  de50012... listbox: Implement :focus-on-click (*)
  c711906... inspector: Replace a use of gtk_button_set_focus_on_click (*)
  47bab49... Add GtkHidingBox
  0e4767d... Implement new GtkPathBar

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