As of workshop RW/KB, improved / fixed text messages

Also refs #351
* messages can be formatted with style sheet
* fixed: removed command from message
* added originator to command line
* msg parsing now in core
* using ITimestampBased for text messages and status messages
* allow to resize rows to content (view base)
* model / views for text messages
* removed old qt stylesheets

src/blackcore/network.h

@@ -502,6 +502,11 @@ namespace BlackCore
          */
         void textMessagesReceived(const BlackMisc::Network::CTextMessageList &messages);
 
+        /*!
+         * We have sent a text message.
+         */
+        void textMessageSent(const BlackMisc::Network::CTextMessage &sentMessage);
+
         /*!
          * We received a custom packet.
          * \deprecated As a short cut you can use this signal directly, but it is better to implement the decoding in INetwork and add a new signal.