slsDetectorSoftware: Eiger server, added 3 commands, measuredperiod,measuredsubperiod, status trigger. measured period is in 10ns in det server, status trigger reads reg,sets bit and unsets bit

slsDetectorSoftware/slsDetector/slsDetectorUtils.h

@@ -475,6 +475,13 @@ class slsDetectorUtils :  public slsDetectorActions, public postProcessing {
 
   int acquire(int delflag=1);
 
+  /**
+   * Give an internal software trigger to the detector (Eiger only)
+   * @return OK or FAIL
+   */
+  virtual int sendSoftwareTrigger()=0;
+
+
 
   //  double* convertAngles(){return convertAngles(currentPosition);};
   // virtual double* convertAngles(double pos)=0;