VDM-37 Solved the issue with duplication of roles in 'Role' textbox.
VDM-37 Solved the issue with duplication of roles in 'Role' textbox.

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