VoltDB/voltdb — pull request #1868 by mikeismert (2014-12-05 14:45:56+00:00)
Title: ENG-7274: Eliminate the deprecated 'groups' attribute in the user

element in the deployment file.
- Clean up some code that merged both
- Clean up a bunch of other code that used 'group' instead of 'role',
mostly in test code.
- Remove redundant code from RealVoltDB and clean up