Bug 959774 - Part 1: linkify FxA terms of service and privacy notice.
Bug 959774 - Part 2: don't screw our back stack when opening links in Fennec.
Bug 962542 - Linkify "getting started" support link.
Bug 964873 - Linkify the COPPA 'learn more' link.
Bug 959774 - Linkifying FxA setup elements. r=nalexander
Bug 962542 - Linkify 'getting started' support link. r=nalexander
Bug 964873 - Linkify the COPPA 'learn more' link. r=nalexander