Multiple block create view (mozilla#12880) 

Merge pull request mozilla#12850 from diox/scanners-actions-should-al… …l-flag Always execute "flag for human review" action in all scanner actions

Drop support for accepting OpenSearch. (mozilla#12775) * Drop support for accepting OpenSearch. This drops support for accepting OpenSearch plugins. Along the way I fixed `htmlify_validation` to support html marked as "safe" as a valid output for validator messages. Fixes #12462 * Fix codestyle * Fix tests, escape text before linkifying it * Cleanup * Correct tests * Actually run bleach.clean before running through linkify * Remove console.log * Use separate msg_id for opensearch deprecation * Correct MDN link

Remove dogwrap (mozilla#12793) 

Update addons-linter to 1.15.3 (mozilla#12755) Update addons-linter to 1.15.3

fix the logged in banner background blocking the EW link 

review tweaks 

Merge pull request mozilla#12612 from eviljeff/12555-devhub-landing-p… …age-footer