Added method Identifier.getMergedInstance() to combine two Identifiers.  Only highest most levels that are the same will be kept.
Added method Identifier.getMergedInstance() to combine two Identifiers.  Only highest most levels that are the same will be kept.

yzhnasa/TASSEL-iRods,yzhnasa/TASSEL-iRods,yzhnasa/TASSEL-iRods,yzhnasa/TASSEL-iRods