GA on meganav links
Specify child combinator selector
Better selectors for ga links in meganav
Match meganav ga categories and actions to existing

"link" and "click"
Remove console.log
Merge branch 'ga-meganav' into prod
Update production JS version
Hide arrow added by ubermenu css
Update global.css style version
Add README
Merge branch 'prod' into maintenance-page

Conflicts:
	css/build/minified/global.css
Merge branch 'maintenance-page' of https://github.com/zgreen/MITlibraries-parent into maintenance-page