Merge pull request #4578 from OZhurbenko/meteor-react-16-update

bigbluebutton-html5/.meteor/versions

bigbluebutton-html5/imports/startup/client/intl.jsx

bigbluebutton-html5/imports/ui/components/app/component.jsx

...on-html5/imports/ui/components/presentation/component.jsx

.../ui/components/presentation/default-content/component.jsx

...luebutton-html5/imports/ui/components/toast/component.jsx

...luebutton-html5/imports/ui/components/toast/container.jsx

bigbluebutton-html5/imports/ui/components/toast/styles.scss

...er-list/chat-list-item/chat-unread-messages/component.jsx

...s/user-list/user-list-content/user-messages/component.jsx

...er-list/user-list-content/user-participants/component.jsx

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

...utton-html5/imports/ui/stylesheets/variables/palette.scss

bigbluebutton-html5/package-lock.json

bigbluebutton-html5/package.json