Add i18n, modular layouts and basic styles

bigbluebutton-html5/.meteor/packages

bigbluebutton-html5/.meteor/versions

bigbluebutton-html5/client/main.css

bigbluebutton-html5/client/main.jsx

bigbluebutton-html5/imports/locales/en.json

bigbluebutton-html5/imports/locales/index.js

bigbluebutton-html5/imports/locales/pt-BR.json

bigbluebutton-html5/imports/locales/pt-br.json

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

...ton-html5/imports/ui/components/actionsbar/Actionsbar.jsx

...button-html5/imports/ui/components/actionsbar/styles.scss

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

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

...button-html5/imports/ui/components/chat/ChatContainer.jsx

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

bigbluebutton-html5/imports/ui/components/media/Media.jsx

...tton-html5/imports/ui/components/media/MediaContainer.jsx

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

bigbluebutton-html5/imports/ui/components/navbar/Navbar.jsx

...on-html5/imports/ui/components/navbar/NavbarContainer.jsx