fixes hazelcast/DevOps#58
Merge branch 'master' of github.com:hazelcast/hazelcast
Documentation "src" cleaned up.
New Hazelcast Clusters chapter improved more.
Applying the element-attribute convention.
Added the new chapter "Hazelcast Clusters"
Applied style conventions to new.....

Network Conf sectio
Changed a heading to resolve a link conflict.
Copyedited Network Configuration section.
Reuse Address configuration description added.
Typo corrections.
Applied styling conventions.
Group Configuration authored and added.
Network Configuration styling improvements.
Adding LRU policy to eviction test. Removing isLoaded check during map eviction. #4066
Doing cluster safety check after map is filled.
Merge pull request #4182 from ajermakovics/mast/map-load-eviction-4066

Map loading more items than specified in max size policy
Merge pull request #4184 from ajermakovics/mast/query-indexing-test-4114

QueryIndexingTest. Doing cluster safety check after map is filled
Authored the full map configuration and added to

the new Hazelcast Configuration chapter.
Revision History updated.