fixes # #3004
testRepartitioningCluster test fix
Member read timestamp shouldn't be updated during heartbeat when its connection is not alive. Cleaned up heart-beater task.
Merge pull request #3021 from sancar/fix/hibernateClear/maint3.x

Hazelcast-Hibernate: cache flush leaves ClientMapProxy in the inconsitent state
Merge pull request #3029 from mdogan/fix/3.2/heartbeat

Member read timestamp shouldn't be updated during heartbeat when its con...
it should be fine to pass an array to in predicate which includes also null values.
remove test testInNullWithNullArgument
Merge pull request #3061 from ahmetmircik/fix/3.2.5/nullsFine

Fixes #3060: It should be fine to pass an array to IN predicate which includes nulls
Merge remote-tracking branch 'hz/maintenance-3.x' into maintenance-3.x-seeburger