VDM-101 Modified code to prevent duplicate export/import properties while uploading deployment file.
VDM-101 Modified code to prevent duplicate export/import properties while
uploading deployment file.

migue/voltdb,deerwalk/voltdb,migue/voltdb,migue/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,migue/voltdb,deerwalk/voltdb,deerwalk/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,VoltDB/voltdb,VoltDB/voltdb,migue/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,migue/voltdb,deerwalk/voltdb,VoltDB/voltdb,VoltDB/voltdb,migue/voltdb,migue/voltdb,deerwalk/voltdb