testRepartitioningCluster test fix
unit test for #2721
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
3025: Fixing condition.await race condition when condition expires before await operation is scheduled.
Merge pull request #3029 from mdogan/fix/3.2/heartbeat

Member read timestamp shouldn't be updated during heartbeat when its con...
dsetroy map with map store test
dsetroy map with map store test
dsetroy map with map store test
fix and refactor for #2721
it should be fine to pass an array to in predicate which includes also null values.
remove test testInNullWithNullArgument
Fixed remote exception and added unittest to show this is already fixed

Conflicts:
	hazelcast-client/src/test/java/com/hazelcast/client/map/ClientMapLoadAllTest.java
	hazelcast/src/main/java/com/hazelcast/util/ExceptionUtil.java
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
unit test fix for #3052 and #3053
unit test fix for #3052 and #3053
fix blocking getPostJoinOperation()
unit test refactor for #3052 and #3053
unit test refactor for #3052 and #3053
Merge pull request #3070 from eminn/fix/proxy-post-join-maintenance

[backport] fix blocking getPostJoinOperation()