queue for flagged themes (bug 841195)
Merge pull request #699 from ngokevin/flagtheme

queue for flagged themes (bug 841195)
replace settings.PERSONA_PATH with settings.ADDONS_PATH (bug 846957)
add some padding between meta labels in theme review tool (bug 855479)
license tweaks for editing themes
docs for shared-secret auth (bug 849379)
`status_class` for `amo.STATUS_REVIEW_PENDING` should say "Pending" (theme stuff)
add `STATUS_REVIEW_PENDING` to `STATUS_CHOICES_API`