Changes

* Mozilla eslint [https://bugzilla.mozilla.org/show_bug.cgi?id=1508992issue] [https://phabricator.services.mozilla.com/D13715 commit1]* [https://github.com/yevseytsev/SenecaBlackboardExtension/pull/111 PR2]* [https://github.com/yevseytsev/SenecaBlackboardExtension/pull/113PR3]