 e main menu: remove parentheses and disable item when there are no elements.
 e main menu: remove parentheses and disable item when there are no elements.


SVN revision: 81030

FlorentRevest/Enlightenment,rvandegrift/e,rvandegrift/e,tasn/enlightenment,tasn/enlightenment,FlorentRevest/Enlightenment,FlorentRevest/Enlightenment,tizenorg/platform.upstream.enlightenment,rvandegrift/e,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment