rebase
little refactoring
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Added @Override on some client class methods
Fix #2648 : NPE when host not resolved in Address
Added runner/category on test
add write behind batch size
remove unneeded test
Resolved checkstyle issues
Minor cleanup
fixes #2686
#2674, utf decoder fixed
utf decoding optimizations
Merge pull request #2681 from pveentjer/fix/3.x/2648-npe-startup

Fix/3.x/2648 npe startup
review fixes
merged others
additional optimization when reading decoding Strings
check style fixes