No waffle for FxA on FxOS 2.0 (bug 1042886)
clear the spinner when FxA popup is closed (bug 1033698)
Merge pull request #519 from cvan/fxa-spinner

clear the spinner when FxA popup is closed (bug 1033698)
Merge pull request #527 from washort/always-fxa-20

No waffle for FxA on FxOS 2.0 (bug 1042886)
fix fireplace unit tests (bug 1040803)