Update inapp payments link (bug 1065724)
pull in countries from marketplace-constants (bug 1060689)
Merge pull request #2529 from andymckay/1060689

use marketplace-constants for countries
try logging over commonware for comm
Removed warning about deleting reviews (bug 967591)
Throw validation error if origin changes (bug 892731)
Some post commit fixups
we know its the marketplace
Merge pull request #2542 from andymckay/docs-cleanup

we know its the marketplace
Make iframe_install.html trailing slash optional (bug 1066552)

(The main goal is to avoid the redirect when we load the URL without
 the trailing slash. We could just remove it, but let's keep it for
 backwards-compatibility)
Fixed up delete version wording if not last version (bug 967591)
Allow anonymous requests if public_stats=True (bug 985053)
Added new region (bug 1050213)
Merge pull request #2537 from JaredKerim-Mozilla/1065724

    Update inapp payments link (bug 1065724)
Update action link tests (bug 1066810)
Merge pull request #2547 from JaredKerim-Mozilla/1066810

Update action link tests (bug 1066810)
comm serializer handle non-author notes
ensure that thumbnails have correct permission (bug 928242)
rename system to mozilla for comm
Merge pull request #2546 from andymckay/928242

ensure that thumbnails are the correct permission (bug 928242)