Added options to config.xml for automatic translation in the Chat Module

bigbluebutton-client/resources/config.xml.template

bigbluebutton-client/src/ChatModule.mxml

...org/bigbluebutton/modules/chat/events/ChatOptionsEvent.as

...bigbluebutton/modules/chat/events/StartChatModuleEvent.as

...src/org/bigbluebutton/modules/chat/maps/ChatEventMap.mxml

...g/bigbluebutton/modules/chat/maps/ChatEventMapDelegate.as

...uebutton/modules/chat/views/components/AddChatTabBox.mxml

...on/modules/chat/views/components/ChatMessageRenderer.mxml

...bigbluebutton/modules/chat/views/components/ChatView.mxml