Checkpoint LoclCluster join work
For ENG-4359, strip out a bunch of IV1 code that was in the way
Fix some fallout in export
Fix broken snapshot daemon
Wow SiteTracker was totally necessary...
Partial fix for TestPartitionDetection, no blocked on undo assertion
Create initiator stats for IV2
Add latency stats and use correct host id
For ENG-4359, add some more support for joining nodes using local cluster
ENG-4449: Use original transaction creation time for accurate internal latency
calculation when restarting a transaction.
For ENG-4359, cleanup based on feedback from Ning
Merge pull request #428 from VoltDB/ENG-4359

ENG-4359
Merge branch 'elastic' into ENG-4449

Resolved conflicts:
	tests/frontend/org/voltdb/TestClientInterface.java
Refactor TheHashinator to only hash byte[]. Numbers will be converted into bytes
first.
ENG-4449: Specify partitioning parameter for SP sysprocs in SystemProcedureCatalog.
ENG-4449: Merge checks for user proc and sys proc in InvocationAcceptancePolicy.
ENG-4449: Merge the code path for handling sysprocs and user procs in ClientInterface.handleRead().
ENG-4449: Merge code for handling sysproc and user proc in ProcedureRunner.checkPartition().
ENG-4449: SP AdHoc now sends the partitioning parameter as a byte[].
ENG-4449: LoadSinglepartitionTable now requires a byte[] partitioning parameter.