- Improvements to the chooper driver for the SANS2 chopper

- Fixes to the new counter and motor drivers
- Updated Linux makefiles to linux_def


SKIPPED:
	psi/dornier2.c
	psi/el734hp.c
	psi/el737hpdriv.c
	psi/makefile_linux
	psi/psi.c
	psi/hardsup/makefile_linux
	psi/tecs/makefile_linux

velo.c

@@ -194,7 +194,11 @@
 
        iRet = self->pDriv->GetStatus(self->pDriv,&iSig,&fVal);
        InvokeCallBack(self->pCall,iSig,&fVal);
-       switch(iRet)
+       if(SCGetInterrupt(pCon) != eContinue)
+       {
+	 return HWFault; 
+       }
+       switch(iRet) 
        {
           case VSACCEL:
                       return HWBusy;