menu_attributes 7.x-1.0-rc1

Changes since 7.x-1.0-beta1:

• Unify _menu_attributes_form_alter() to not clobber any other attributes or options in the link data.
• #1132782: Added update function to fix any menu links that had the class attribute saved as a string rather than an array.
• #1144502: Fixed attribute configuration not showing up on menu settings page.
• Stripping CVS keywords
• #994402 by das-peter, Dave Reid: Fixed Prevent error in menu_attributes_menu_link_alter() if an attribute is not a string.
• by Dave Reid: Use hook_form_node_form_alter() instead of hook_form_alter().
• by Dave Reid: Store class values as an array rather than a string.