new nav working

Seems to work, clean more code
Almost finished Navigation

Partially tested. Will put live and see.
Might need minor mods
nav-footer fix on mobile view

nav-footer fix on mobile view (local.css + js)
Header Fixed
FIxex Header Issue

Fixed an issue where header fixed wouldn’t go back on top propery on
certain devices and old chrome.

Still work to be done on the mobile nav thingy. But unless violently
clicked on random choices, it works well
Merge branch 'Dev'

Conflicts:
	frontend/default/shopper/js/script.js