Initial Reference optics done

reference.py

@@ -31,8 +31,12 @@ class ReferenceManager:
             if i is 0:
                 tag = 'Start'
             else:
-                tag = 'Matchpoint %d' % i
-            self.reference[tag]= {'Location':key,'Twiss':matchmaker.referencePoints[key]}
+                label = matchmaker.referencePoints[key]['Label']
+                if label is None:
+                    tag = 'Matchpoint %d' % i
+                else:
+                    tag = label
+            self.reference[tag]= {'Location':key,'Twiss':matchmaker.referencePoints[key]['Twiss']}
         self.updateReferenceComboBox()
 
     def swithToUserDefinedLocation(self):