Add shortcuts to useful objects to analytics closure
Update last loaded scripts to be async for marginally faster onload's
Merge pull request #2206 from darkwing/analytics-update

Add shortcuts to useful objects to analytics closure
Merge pull request #2191 from darkwing/minor-speed-perf-dos

Update last loaded scripts to be async for marginally faster onload's
Adding the Promote MDN embeddable script.
Merge pull request #2210 from riverspirit/promote-mdn-script

Adding the Promote MDN embeddable script.