[gtk+/quartz-integration] (17 commits) ...Merge branch 'master' into quartz-integration

[John Ralls <jralls src gnome org>]

Summary of changes:

  0290834... [GtkComboBoxText] Add checks for id-column/entry-text-colum (*)
  f285a84... Add convenience function for the font description. (*)
  99f59d8... Fix coalescing of state animation areas for multiple window (*)
  1f697f2... GtkThemingEngine: remove unused variable (*)
  2371ed8... GtkThemingEngine: handle expander transitions to active, an (*)
  d80868a... GtkThemingEngine: Render tabs background in the correct dir (*)
  618b1a8... GtkCssProvider: Make selectors applying from the topmost wi (*)
  8b8eab1... GtkEntry: Use GtkStyleContext. (*)
  3306305... GtkNotebook: Use GtkStyleContext. (*)
  c64a189... Port GtkRange widgets to GtkStyleContext (*)
  89e6cad... GtkSpinButton: Use GtkStyleContext (*)
  a517cf1... Make GtkExpander use GtkStyleContext (*)
  afca06b... Add getter for font description in GtkThemingEngine (*)
  fbb75b9... Add headers/docs changes for gtk_theming_engine_get_font() (*)
  ee31a01... Make GtkInfoBar use GtkStyleContext (*)
  96a4fc4... Update about dialog design to not use a swarm of dialogs (*)
  554e656... Merge branch 'master' into quartz-integration

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