Menu Customizer: Move the screen options div out of the page title, to the page header before `.accordion-sub-container`. This prevents wonky z-indicies and the accordion preventing the screen options from being toggled.

git-svn-id: https://plugins.svn.wordpress.org/menu-customizer/trunk@935175 b8457f37-d9ea-0310-8a92-e5e31aec5664