tiny clean-up & method renaming
mark testRemoveBinaryDelayDefault as problematic
set right time before backup starts processing nex time
fix size estimator statistics
style fix
JavaDoc
Merge pull request #2448 from ahmetmircik/fixSizeEstimatorStasts

Fix size estimator statistics
mark testRemoveObjectDelayDefault as problematic
add > 0 check
mark test as problematic
some tiny refactoring use existing record store, do not create a new one.