[gnome-themes-standard] Created tag 3.1.90

[Cosimo Cecchi <cosimoc src gnome org>]

The signed tag '3.1.90' was created.

Tagger: Cosimo Cecchi <cosimoc gnome org>
Date: Mon Aug 29 19:39:55 2011 -0400

    Release 3.1.90

Changes since the last tag '3.1.5':

Cosimo Cecchi (8):
      tooltips: propagate the background color to child widgets
      toolbars: style toolbars with a menubar class
      sidebar: use a flat style for radiobuttons on sidebars
      menubutton: add support for the menubutton style
      button: make sure to set a default color
      fail-whale: don't override color for the dialog internals
      toolbars: enable the raised and linked classes on non-primary toolbars
      release: prepare for 3.1.90