Merge pull request #7685 from antobinary/loca

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

bigbluebutton-html5/private/locales/ar.json

bigbluebutton-html5/private/locales/de.json

bigbluebutton-html5/private/locales/es.json

bigbluebutton-html5/private/locales/fa_IR.json

bigbluebutton-html5/private/locales/fi.json

bigbluebutton-html5/private/locales/hu_HU.json

bigbluebutton-html5/private/locales/km.json

bigbluebutton-html5/private/locales/pt_BR.json

bigbluebutton-html5/private/locales/ru_RU.json

bigbluebutton-html5/private/locales/sv_SE.json

bigbluebutton-html5/private/locales/zh_CN.json