Mainwindow cleanup, fixed short value filter in Linechart, working on Python XML parser support

src/ui/MAVLinkDecoder.cc

@@ -12,7 +12,8 @@ MAVLinkDecoder::MAVLinkDecoder(MAVLinkProtocol* protocol, QObject *parent) :
     messageFilter.insert(MAVLINK_MSG_ID_HEARTBEAT, false);
     messageFilter.insert(MAVLINK_MSG_ID_SYS_STATUS, false);
     messageFilter.insert(MAVLINK_MSG_ID_STATUSTEXT, false);
-    messageFilter.insert(MAVLINK_MSG_ID_COMMAND, false);
+    messageFilter.insert(MAVLINK_MSG_ID_COMMAND_SHORT, false);
+    messageFilter.insert(MAVLINK_MSG_ID_COMMAND_LONG, false);
     messageFilter.insert(MAVLINK_MSG_ID_COMMAND_ACK, false);
     messageFilter.insert(MAVLINK_MSG_ID_PARAM_SET, false);
     messageFilter.insert(MAVLINK_MSG_ID_PARAM_VALUE, false);