Merge branch 'html5-theming' of github.com:oswaldoacauan/bigbluebutton into css-variables

...orts/api/users-settings/server/methods/addUserSettings.js

bigbluebutton-html5/imports/startup/client/auth.js

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

bigbluebutton-html5/imports/ui/components/media/service.js

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

bigbluebutton-html5/private/config/settings.yml

bigbluebutton-html5/private/locales/en.json