Update homepage GA tracking. Bug 1001130.
Merge pull request #2084 from mozilla/bug-1001130-update-homepage-ga-tracking

Update homepage GA tracking. Bug 1001130.
Bug 1018724: Temporarily disable translation bar.

We'll figure out the cache issues and enable again very soon.
Merge pull request #2087 from pmclanahan/temporarily-disable-transbar-1018724

Bug 1018724: Temporarily disable translation bar.