fixed unused import problem
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
eviction process should also sweep backup partitions
Merge branch 'master' of https://github.com/hazelcast/hazelcast
fix test testEvictionPerNode_sweepsBackupPartitions
Merge pull request #3353 from ahmetmircik/fix/3.3/sweepBackups

Follow up #3336: Eviction process should also sweep backups