Enable GA tracking on new /firstrun/b5/ URL. Bug 873899.
Fix Bug 589067, remove browser version detection and display from ui and perfedies
Bug 772952 - Security error when searching using Tabzilla
Merge pull request #900 from kyoshino/bug-772952-mixed-content

Bug 772952 - Security error when searching using Tabzilla
Bug 874903: Update Tabzilla to CDN URLs.

Also fix styleguide Tabzilla docs.
Port localized versions of Manifesto to Bedrock
Bug 869489
Merge pull request #894 from sgarrity/bug-869489-manifesto-l10n

Bug 869489 - Port localized versions of Manifesto to Bedrock
Merge pull request #903 from pmclanahan/update-tabzilla-urls-bug-874903
Merge pull request #899 from ossreleasefeed/bug589067-remove-browser-version-from-ui
Bug 724633 - Port foundation pages to bedrock
Bug 724633 - migrate foundation pages to bedrock

Fix bug 871759 - improve semantics on nightly firstrun page