ADD custom menu renderer to Anomaly to aid RTL styling of same

TESTING requires RTL language pack (Hebrew, Arabic, etc.) Select Anomaly theme as default from Theme selector NOT by URL Add some Custom menu items in Theme settings page TEST that the menu labels float left and that the drop-down sub-menu 'click-able' menu items pop-out to the right when hovered over, and also that the sub-menu indicator arrow background changes colour in response to the hover. Change to a RTL language from the language menu. TEST that the menu labels float right and that the drop-down sub-menu 'click-able' menu items pop-out to the left when hovered over, and also that the sub-menu indicator arrow background changes colour in response to the hover. End Test