Added missing xerces jar file.  Needed to avoid ClassNotFoundException for SerializerTrace.
Added missing xerces jar file.  Needed to avoid ClassNotFoundException for
SerializerTrace.



Former-commit-id: 63523e256f5c8f945056e0ed3bf92e98943e5e64
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine