added ssl and socket-options config tests for client
added ssl and socket-options config tests for client
Merge branch 'copy-master6' of https://github.com/buremba/hazelcast into copy-master6
 cleanup/refactor in client heartbeat implementation
 cleanup/refactor in client heartbeat implementation
 cleanup/refactor in client heartbeat implementation
make expire check on every get
more refactoring
Merge branch 'master' of https://github.com/hazelcast/hazelcast
check if expirable
change method name
change method name to getOrNullIfExpired
mark testListenerRegistrations as problematic
fixes #3442

a race-condition fixed in stress tests. a test is now always waiting for KillMemberThread to finish.
Merge pull request #3443 from ahmetmircik/fix/3.3/refactorings

Some refactoring of recordstore
Merge branch 'copy-master6' of github.com:buremba/hazelcast
Merge pull request #3403 from sancar/cleanup/heartbeat/master

cleanup/refactor in client heartbeat implementation
Merge pull request #3446 from jerrinot/fix/member-left-over/master

a fix for #3442
 fix unnecessay serialization in clientListeners
checkstyle fixes