Merge remote-tracking branch 'Upstream/master' into html5-packages-upgrade

akka-bbb-apps/build.sbt

akka-bbb-apps/src/main/resources/README

akka-bbb-apps/src/universal/conf/application.conf

akka-bbb-apps/src/universal/conf/logback.xml

akka-bbb-fsesl/build.sbt

akka-bbb-fsesl/src/main/resources/README

akka-bbb-fsesl/src/universal/conf/application.conf

akka-bbb-fsesl/src/universal/conf/logback.xml

...imports/ui/components/authenticated-handler/component.jsx

...on-html5/imports/ui/components/join-handler/component.jsx

bigbluebutton-html5/imports/ui/services/auth/index.js

...button-html5/imports/ui/services/unread-messages/index.js