ENG-4537 Refactor table streaming.
ENG-4537 Added EOF LF to make one compiler happy.
ENG-4537 Fixes for EE COW refactoring.

Has a lot of instrumentation in case there still are failures.
These must be removed before reviewing and merging.
ENG-4537 Fix fatal printf warning.
ENG-4537 Fix JUnit tests after COW stream refactoring.
ENG-4537 Fix infinite loop in CopyOnWriteTest.
ENG-4537 Fix recovery streaming.
Merge from elastic to ENG-4537
For ENG-4537, remove test only code
For ENG-4537, minor syntax cleanup
Merge pull request #483 from VoltDB/ENG-4537

ENG-4537 COW Context Refactoring