- Many fixes to the triple axis stuff

* update after a1-a6 drive
  * intrduction of targets
- POLDI writing
- Moved HKL calculation 4 TRICS to fourlib

tasscan.c

@@ -552,6 +552,8 @@ static int TASScanDrive(pScanData self, int iPoint)
 	 iTAS = 1;
          pTAS->tasPar[EI+iPtr]->fVal =
                pVar->fStart + iPoint * pVar->fStep;
+         pTAS->tasPar[ETARGET+iPtr]->fVal =
+               pVar->fStart + iPoint * pVar->fStep;
          tasMask[iPtr] = 1;
        }
        else 
@@ -575,14 +577,16 @@ static int TASScanDrive(pScanData self, int iPoint)
   {
      status = TASCalc(pTAS,self->pCon,tasMask,
                      tasTargets, tasTargetMask);
-     if(!status)
-        return 0;
-      TASStart(pTAS,self->pCon,
+     if(status) 
+     {
+       /*
+	 Errors both in calculation or in starting motors are
+         ignored here on purpose. There is a slight chance that
+         other points in the scan fit the bill.
+       */ 
+       TASStart(pTAS,self->pCon,
                self->pSics,tasTargets,tasTargetMask);
-      /*
-        again ignore errors, the scan shall continue if an error was
-        found
-      */
+     }
   }
 
   /*