[gtk+] (12 commits) Created branch treeview-refactor-staging

[Tristan Van Berkom <tvb src gnome org>]

The branch 'treeview-refactor-staging' was created.

Summary of new commits:

  2bf8f7e... Removed unused variable from GtkCellAreaBoxContext.
  cd09abf... Changed tests/testcellarea.c (and scaffolding) to only reor
  b7c956d... Removed all variables from GtkTreeViewColumn and created Gt
  325da49... Removed the private sharing of internal treeview macros fro
  9df2b09... Removed GtkTreeViewPrivate from gtktreeprivate.h and added 
  2f55860... Changed _gtk_tree_view_column_set_width for _gtk_tree_view_
  ff9086a... Use gtk_tree_view_get_real_requested_width_from_column() al
  1b715e5... Created _gtk_tree_view_column_request_width().
  43ab235... Allocate proper inner cell area to the GtkTreeViewColumn.
  c50ccaa... Changed GtkTreeView to bookkeep the deepest expanded depth 
  6c7030d... Fixed GtkTreeViewColumn allocation to only subtract the dep
  304d8aa... Added GtkTreeViewColumn:cell-area construct-only property.