Remove old obsolete templates & views
Add a link to bango portal from admin lookup page (bug 924673)
Manual merge from master
_update_manifest() third argument should be a dict (bug 927469)
Commit from Mozilla Verbatim by user michael.koehler1@gmx.de.: 5486 of 5486 strings translated (0 fuzzy).
don't allow theme updates while pending (bug 926950)
fix reuploading of legacy getpersona themes (bug 921214)
Cleanup create_monolith_user
fix migration

This was run manually on -dev. Run manually locally if needed.
Merge pull request #1262 from ngokevin/legacytheme

fix reuploading of legacy getpersonas themes (bug 921214)
make lang field longer (bug 928130)
make region longer to acccomodate for "worldwide"
fix themes test
fix migrations again
Fix error message displaying when uploading a screenshot (bug 928287)
Merge pull request #1266 from diox/fix-refresh-manifest

_update_manifest() third argument should be a dict (bug 927469)
Merge pull request #1268 from diox/fix-screenshots-error-msg

Fix error message displaying when uploading a screenshot (bug 928287)
l10n: Updating french locale
Prevent error when uploading a new version of an app (bug 927179)

The UI to subscribe to new versions of an app is present but is
not implemented, that's bug 741679. Let's not fail if someones
decides to subscribe in the meantime :-)
Merge pull request #1269 from diox/fix-editorssubscription-marketplace

Prevent error when uploading a new version of an app (bug 927179)