Bug 966174 - Skip straight back over Get Started when successfully setting up FxA. r=nalexander
Bug 966106 - Detect existing accounts during account creation, and offer to sign in. r=nalexander
Bug 966386 - Final tweaks from Android Firefox Accounts UX sign off. r=rnewman
Bug 965683 - Make spinner that replaces button same size as button. r=rnewman
Bug 962644 - Part 0: extract firefoxAccountsExist and friends. r=nalexander
Bug 962644 - Part 1: conditionally open FxA or legacy Sync UI from Fennec. r=nalexander
Bug 962644 - Part 3: check for Firefox accounts as well as Sync accounts. r=nalexander
Merge m-c to s-c.
merge fx-team into m-c
merge m-c into fx-team