Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
fix testBackupExpirationDelay_preventsSweepOfEntries_onBackupPartitions
writeData should check partition collection size
increase timeout of testIndexCleanupOnMigration
Merge pull request #3853 from ahmetmircik/fix/3.4/exDelay

Fix testBackupExpirationDelay_preventsSweepOfEntries_onBackupPartitions