For ENG-4954, initial commit with functionality, looking in tests now
ENG-5136 use SHA1PRNG secure random generator to place tokens into hashinator ring
For ENG-4954, add tests for blocking catalog updates
To help debugging test failures, log more info when snapshot tests fail to delete files
For ENG-4954, fix a misnamed ZK path
For ENG-4954, move the blocking into the transaction so it doesn't race with join
Merge pull request #754 from VoltDB/ENG-4954

ENG-4954 Don't allow catalog updates during elastic join
Merge pull request #752 from VoltDB/ENG-5136

ENG-5136 use SHA1PRNG secure random generator to place tokens into hashinator ring
Merge branch 'elastic' into ENG-4899

Resolved conflicts:
	src/frontend/org/voltdb/ElasticHashinator.java