make compatibility filtering select prettier (bug 1073278)
FxA migration info popups (bug 1052876)
Merge pull request #670 from mstriemer/fxa-email-popup-1052876

Fxa email popup 1052876
Fix FxA migration URL
Make the FxA window bigger to fit the registration page
tweak dropdown for style guide
remove feed stuff from fabfile
Merge pull request #675 from ngokevin/compat

make compatibility filtering select prettier (bug 1073278)