Fix test breakage: don't call the true is_privileged in reviewer tests
More test breakage fixes regarding is_privileged
proper reviewers mobile profile mode (bug 884474)
BUILD_ID is set elsewhere.
Move fabfile to toplevel dir.
Make RegionForm aware of price points (bug 884889)
pep8 fixes
some 'paid apps' don't have AddonPremium objects
Move requirements logic.
Have to capture in fab.
Validate and save packaged app origin (bug 878101, 878103)