add VIEW() and WIDGET() macros

add VIEW() and WIDGET() macros

For use with Elm_Widget_Items to create more consistency, reduce typing, and increase readability

  VIEW(X) = X->base.view (visible evas object)
  WIDGET(X) = X->base.widget (owner widget)

also a demo of the oxford comma for seoz

git-svn-id: https://svn.enlightenment.org/svn/e/trunk/elementary@64220 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33