Merge branch 'feature/read-only-rooms' of...

client/startup/unread.coffee

packages/rocketchat-authorization/server/startup.coffee

...es/rocketchat-channel-settings/server/models/Rooms.coffee

.../rocketchat-file-upload/server/methods/sendFileMessage.js

packages/rocketchat-lib/i18n/en.i18n.json

packages/rocketchat-lib/server/functions/sendMessage.coffee

packages/rocketchat-lib/server/lib/notifyUsersOnMessage.js

packages/rocketchat-lib/server/lib/sendEmailOnMessage.js

packages/rocketchat-lib/server/methods/sendMessage.coffee

packages/rocketchat-mapview/client/mapview.coffee

private/moment-locales/af.js

private/moment-locales/ar-ma.js

private/moment-locales/ar-sa.js

private/moment-locales/ar-tn.js

private/moment-locales/ar.js

private/moment-locales/az.js

private/moment-locales/be.js

private/moment-locales/bg.js

private/moment-locales/bn.js

private/moment-locales/bo.js