Fixed a race condition during migration finalization on master node. Also fixes #1317.
Removed recursive writeData() & readData() call blocker code in Operation. It was causing invalid error when multiple threads write the same operation.
Improved backup test.
Added the AsyncAtomicLong and some minor cleanup (e.g. removal of unneeded super calls in constructor)
Merge branch 'feature/3.x/asynclong' of github.com:pveentjer/hazelcast
Merged #1329. Added copyright headers.
small test fix
fix about initial load
Merge remote-tracking branch 'origin/master'
test fix
revised fix about initial load
Reworked storage internals to Hazelcast style using a ReplicatedMapService and storage abstraction capable of InMemoryFormats OBJECT and BINARY