added stats method to Bio::EnsEMBL::Analysis object which uses the

analysis objects adaptor to fetch the corresponding stats object.
Important to use correct db connection since the analysis objects may be
network distributed across multiple databases

modules/Bio/EnsEMBL/Hive/Extensions.pm

@@ -134,7 +134,17 @@ sub Bio::EnsEMBL::DBSQL::AnalysisAdaptor::fetch_by_url_query
     }
   }
   return undef;
+}
+
 
+sub Bio::EnsEMBL::Analysis::stats
+{
+  my $self = shift;
+  my $stats = undef;
+  eval {
+    $stats = $self->adaptor->db->get_AnalysisStatsAdaptor->fetch_by_analysis_id($self->dbID);
+  };
+  return $stats;
 }
 
 1;