[jvstm-lf] Rename Remote(Read|Write)Set to Simple(Read|Write)Set
[jvstm-common] Improvements when looking up cached OwnedVBoxes
[jvstm-lf] Bugfix: Sentinel commit request is VALID by definition
[jvstm-lf] Bugfix: Does not make sense for InitTransaction to help others commit on its beginning
Fix VBox allocation when not in cache.  VBoxCache is for StandaloneVBoxes only

  * The OwnedVBoxes are already cached indirectly via their owner.
[jvstm-lf] Retry data grid transaction that may fail spuriously
[jvstm-lf] Create RemoteWriteSet and deal with remote commits. Several fixes. Todo: reload body only
Add single body reload feature to vbox (reload + new API for Repository)
[jvstm-lf] Add debug logger for unused datagrid transactions
[jvstm-lf] Debug obfuscated-and-unexpected exceptions when handling CommitRequest