Enable to configure and use the loopback multicast sockets (issue hazelcast/hazelcast#2594).
Update the XML configuration generator and builder, related to issue #2594.
Add unit tests related to the issue #2594.
Fixing the unit test of the multicast loopback mode.
Cleaning the code of the MulticastLoopbackModeTest class according to the recommendations of the Hazelcast's development team.
Resolve conflicts with the master branch
Fixing the style of the code.

According to the errors found by the code style checker, the code of the
multicast loopback feature is fixed.
Merge branch 'feature/master/per_cache_based_max_size' of /Users/serkanozal/Documents/workspace/hazelcast with conflicts.
Merge remote-tracking branch 'origin/master' into feature/master/per_cache_based_max_size

Conflicts:
	hazelcast/src/main/java/com/hazelcast/cache/impl/AbstractCacheRecordStore.java
	hazelcast/src/main/java/com/hazelcast/cache/impl/record/CacheRecordHashMap.java
Merge https://github.com/gallandarakhneorg/hazelcast
Merge remote-tracking branch 'origin/master' into feature/master/per_cache_based_max_size
Merge remote-tracking branch 'origin/master' into feature/master/per_cache_based_max_size
Merge remote-tracking branch 'origin/master' into feature/master/per_cache_based_max_size
Moved tests from QueryAdvancedTests to QueryIndexMigrationTest and refactored.
Logging if partitions changed while query was running.
Adding javadoc, extracting method, check style fixes
Checkstyle fixes: whitespace, final class
Merge remote-tracking branch 'origin/master' into feature/master/per_cache_based_max_size
max-size policy impl
update on hibernate modules for max-size policy impl
update on spring module for max-size policy impl