modular menu

This should be most of what is needed to give future template users the ability to control their menu through (now active) the wordpress menu item in the appearences settings.
Current menu setup is super basic, and it might require a few more arguments to return it's looks back to the way the menu was supposed to be.
live demo on http://colm.be/wordpress/dev/

... Vive Git. Vive GitHub.
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