Remove jQuery dependency from outgoing, file and email link tracking.
Remove jQuery dependency for share and tool links.

Known Issue: The tool links make a call to the trackEvent function twice.
Move the rating tracking to the rating functions.
Remove the !isMobile check since we're no longer using jQuery
initd is no longer needed, so remove.
Capture and reuse original onclick if it exists. #312
Add onclick function test.
Merge branch 'release-3.1.8'
Merge branch 'develop'
Update to the latest LESS
Move the font size declaration to the root element
Add LESS rule for REM units
Use new fonts for brand, impact and serif
Adjustments in headers to support new brand font
Update to header to support new brand font
Adjust mobile view and navigation for rem and fonts
Use rem units
Add missing vertical space
Move font load to includes.
Remove Grotesk font