DRILL-1436: Remove use of UDP based cache for purposes of intermediate PlanFragment distribution
Includes:
- Remove dependency on Infinispan
- Update initialize fragments to send in batches.
- Update RPC layer to capture UserRpcExceptions and propagate back.
- Send full stack trace in DrillPBError and let foreman node decide on formatting.
- Increment control rpc version
- Update systables to report current drillbit and version
