log the peptide that caused the fusion

git-svn-id: https://subversion.renater.fr/xtandempipeline/trunk@287 b8ef2a07-7df7-436f-90b9-41648038564b

xtandempipeline/src/fr/inra/pappso/xtandempipeline/grouping/Group.java

@@ -80,6 +80,7 @@ public class Group extends HashKey4GroupsSet implements Comparable<Group> {
 				throw new Exception(message);
 			}
 			if (this.contains(hashPeptide)) {
+				logger.debug("launch fusion : this peptide was found in group "+hashPeptide.toString());
 				yes = true;
 				break;
 			} else {