Add a new connection type - Lawicel. It works for some devices, not

all. More development needed but this is a start. Also added ability
to set serial speed and bus speed in the device setup which may be
useful for other connection devices too.

connections/canconfactory.cpp

@@ -4,10 +4,11 @@
 #include "gvretserial.h"
 #include "mqtt_bus.h"
 #include "socketcand.h"
+#include "lawicel_serial.h"
 
 using namespace CANCon;
 
-CANConnection* CanConFactory::create(type pType, QString pPortName, QString pDriverName)
+CANConnection* CanConFactory::create(type pType, QString pPortName, QString pDriverName, int pSerialSpeed, int pBusSpeed)
 {
     switch(pType) {
     case SERIALBUS:
@@ -16,6 +17,8 @@ CANConnection* CanConFactory::create(type pType, QString pPortName, QString pDri
         return new GVRetSerial(pPortName, false);
     case REMOTE:
         return new GVRetSerial(pPortName, true);  //it's a special case of GVRET connected over TCP/IP so it uses the same class
+    case LAWICEL:
+        return new LAWICELSerial(pPortName, pSerialSpeed, pBusSpeed);
     case KAYAK:
         return new SocketCANd(pPortName);
     case MQTT: