Remove  argument from theme functions. In the future this should functionality should be replicated by service customizations.

by Les Lim: Make toolbox wrapper classes configurable.
function addthis_update_6301() to convert icon_32x32 setting to toolbox_classes.

#518230 by Les Lim: Implement data_ga_tracker API option so that it will work with google_analytics.module.

#731694 by gregarios - Fails SGML Parser validation (WARNING: This changes module functionality by removing 'Button image HTML attributes')

Menu item titles and descriptions don't need to be wrapped in t()