Improved javadoc
Ignore Empty Tests, and @After shutdown HZ instances
exclude *.Class
Merge pull request #1521 from Danny-Hazelcast/exclude

exclude *.Class
Merge pull request #1520 from Danny-Hazelcast/emptyTests

Ignore Empty Tests, and @After shutdown HZ instances
Merge pull request #1474 from pveentjer/improvement/3.x/packet-javadoc

Improved javadoc
Cleanup
Added an automatic registration way for serializers to make other hazelcast modules like hz-hibernate automatically adding additional serializers for non internal types like hibernate CacheKey or CacheEntry
Fixed arraylist serializer
Fixes based on comments