working on usb camera

- put camera type
- removed ROI symmetric check because it's not needed for this camera

pcousb/PcoUSB.cpp

@@ -29,7 +29,7 @@ namespace PcoNS
 {
     PcoUSB::PcoUSB()
     {
-        m_isroi_y_symmetric = true;
+        //m_isroi_y_symmetric = true;
     }
     
     bool PcoUSB::SetCamera(shared_ptr<CPco_com>& sptrCamera)

pcousb/PcoUSBImpl.cpp

@@ -68,8 +68,9 @@ namespace PcoNS
 
         cout<<"camera type : "<<ushCameraType<<endl;
 
-        //pco edge CLHS
-        if(ushCameraType == 4928)
+        //pco usb camera 
+        //pco.edge 4.2m USB rolling shutter
+        if(ushCameraType == 0x1320)
         {
             unique_ptr<PcoFactory> uptrCameraFactory
                 = unique_ptr<PcoFactory>(new PcoUSBFactory());