Changes

Test Pilot and its experiments use Github Issues for bug tracking: * Look through the existing Test Pilot site or add-on: https://github.com/mozilla/testpilot/issues and submit new ones to [* Activity Stream: https://github.com/mozilla/testpilotactivity-streams/issues* Tab Center: https://github.com/bwinton/VerticalTabs/issues * Universal Search: https://github .com/mozilla/universal-search/issues]