Added pending operation count to performance monitor:
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Included response information in the performance monitor

Some minor logging improvements (bad thread name was used)
Merge pull request #4119 from pveentjer/improvement/3.x/performance-monitor-includes-response-info

Performance monitor includes response info