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/slsDetector.h

@@ -1069,6 +1069,12 @@ public:
 	 */
 	int stopAcquisition();
 
+	/**
+	 * Give an internal software trigger to the detector (Eiger only)
+	 * @return OK or FAIL
+	 */
+	int sendSoftwareTrigger();
+
 	/**
 	 * Start readout (without exposure or interrupting exposure) (Mythen)
 	 * @returns OK or FAIL