Merge pull request #8356 from antobinary/loca

bigbluebutton-html5/private/locales/de.json

bigbluebutton-html5/private/locales/fa_IR.json

bigbluebutton-html5/private/locales/hu_HU.json

bigbluebutton-html5/private/locales/nl.json

bigbluebutton-html5/private/locales/pl_PL.json

bigbluebutton-html5/private/locales/ro_RO.json

bigbluebutton-html5/private/locales/ru_RU.json

bigbluebutton-html5/private/locales/tr.json

bigbluebutton-html5/private/locales/tr_TR.json

bigbluebutton-html5/private/locales/zh_CN.json