multiband: rename deepCoadd_srcMatch as deepCoadd_measMatch

The naming appears to be an error during the port of functionality
from HSC. Renamed in order to make clearer the relationship with the
deepCoadd_meas catalog.

Also renamed the related deepCoadd_srcMatchFull as
deepCoadd_measMatchFull.

python/lsst/pipe/tasks/multiBand.py

@@ -1151,10 +1151,10 @@ def writeMatches(self, dataRef, exposure, sources):
         if result.matches:
             matches = afwTable.packMatches(result.matches)
             matches.table.setMetadata(result.matchMeta)
-            dataRef.put(matches, self.config.coaddName + "Coadd_srcMatch")
+            dataRef.put(matches, self.config.coaddName + "Coadd_measMatch")
             if self.config.doWriteMatchesDenormalized:
                 denormMatches = denormalizeMatches(result.matches, result.matchMeta)
-                dataRef.put(denormMatches, self.config.coaddName + "Coadd_srcMatchFull")
+                dataRef.put(denormMatches, self.config.coaddName + "Coadd_measMatchFull")
 
 
     def write(self, dataRef, sources):