def add_muck_admin_nav_item(name, path, image = '', insert_at = -1)
      muck_admin_nav_items.insert(insert_at, OpenStruct.new(:name => name, :path => path, :image => image))
    end
def add_muck_admin_nav_item(name, path, image = '', insert_at = -1)
      muck_admin_nav_items.insert(insert_at, OpenStruct.new(:name => name, :path => path, :image => image))
    end
Add an item to the main admin navigation menu
 Paramters:
 name:                 Name for the link
 path:                 Url to link to
 image:                Image for the link