[gtk+] Non-fast-forward update to branch wip/csoriano/pathbar-acordion

[Carlos Soriano Sánchez <csoriano src gnome org>]

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

  ac7c68f... Add GtkHidingBox
  2b9e07d... gtkhidingbox: use full variable names
  a651a2f... gtkhidingbox: reorder variables
  1f42cf2... gtkhidingbox: reorder variables
  5506be0... gtkhidingbox: we can assume we have min and nat pointers
  34f49a5... gtkhidingbox: use the parameters directly
  a35befc... gtkhidingbox: use full variable names
  9483a27... gtkhidingbox: assume we always have min and nat pointers
  3be7367... gtkhidingbox: use directly the parameters
  4e43266... gtkhidingbox: use full variable names
  54d83fd... gtkhidingbox: don't nest unneeded loop
  c60bb2f... gtkhidingbox: use class_install_properties
  78a1c42... gtkhidingbox: remove unneeded comment
  29cd210... gtkhidingbox: take into account child expand property
  a1c0bb0... gtkhidingbox: simplify visibility management
  a117cd1... gtkhidingbox: add property to choose side to handle overflo
  cbbadff... gtkhidingbox: remove extra widgets pixels
  356808a... gtkhidingbox: use internal gtk_widget_simple_clip
  6e43b4d... gtkhidingbox: fix wrong extra space distribution
  1d46eff... gtkhidingbox: add getter for overflow children
  07a9620... gtkhidingbox: prefer width for height
  f25a410... gtkhidingbox: add copyright and authors
  97d2c47... Implement new GtkPathBar

Commits added to the branch:

  e420e7d... Implement new GtkPathBar