[gtk+] (13 commits) Created branch treeview-refactor-staging

[Tristan Van Berkom <tvb src gnome org>]

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

Summary of new commits:

  dd66833... Removed all variables from GtkTreeViewColumn and created Gt
  387b322... Removed the private sharing of internal treeview macros fro
  8f44d75... Removed GtkTreeViewPrivate from gtktreeprivate.h and added 
  10bd4c9... Changed _gtk_tree_view_column_set_width for _gtk_tree_view_
  ead72f6... Use gtk_tree_view_get_real_requested_width_from_column() al
  7536cad... Created _gtk_tree_view_column_request_width().
  abef72c... Allocate proper inner cell area to the GtkTreeViewColumn.
  a1c7a79... Changed GtkTreeView to bookkeep the deepest expanded depth 
  905d105... Fixed GtkTreeViewColumn allocation to only subtract the dep
  691eca3... Added GtkTreeViewColumn:cell-area construct-only property.
  c5a7660... Removing hack and fixing gtk_tree_view_column_cell_get_size
  9d8829a... Adding testverticalcells.c.
  47dbab7... Fixed conflicts from rebasing GtkTreeViewColumn changes fro