Changed: truncation restores the size of truncated unscavenged file and fills it with zeros (after truncation point).
Added: creation time to OperationItem and SubscriptionItem.
Changed: use QueuedHandlerThreadPool for StorageReaderWorkers.
Changed: reduced report period of index rebuilding.
Fixed: added one data flush before file resize.
Renamed projections (inaccurate) to native-code.ps1
Merge branch 'dev' of http://github.com/EventStore/EventStore into Windows-Build