* gladeui/glade-widget-action.[ch]:

  - memory leak fixed in glade_widget_action_class_clone()

  - glade_widget_action_set_sensitive() declared and used in 
    gobject set_property() method.

  - GladeWidgetAction "klass" property renamed to "class"

* gladeui/glade-widget.c:
  - fixed check in glade_widget_get_action()

  - adapted to reflect GladeWidgetAction property rename.

svn path=/trunk/; revision=1327