TransactionQueueTest.testIssue859And863 changed to assertEventully
Applying Documentation Style Guide.
Improvements in cross-references.
Improved terminology in the new Clusters chapter.
Merge pull request #4162 from gurbuzali/transaction-queue-test-fix/master

TransactionQueueTest.testIssue859And863 changed to assertEventully [master]
Improved JavaDocs for cache.impl.record reviewed.
Merge branch 'master' into fix/nonblockingClient/master