Arcus Java Client 1.9.8

* [Fix] Add bad command log message
* [Fix] Add local cache hit debug log message

Arcus Java Client 1.9.7

• [Fix] Fix bopGetBulk reverse scan bug.
• [Feature] Deprecate repl setting methods of cfb.
  • Replication cloud is internally determined by checking
    ZK directories for the given service code.
  • The service code must be unique in each ZK ensemble.

Arcus Java Client 1.9.6

• [Fix] Fix bopGetBulk deserialization bug.

Arcus Java Client 1.9.5

• [Fix] Add overflowAction availability check logic to collection APIs.
• [Fix] Add overflowAction / readable options to collection store APIs.
• [Fix] Remove unnecessary log messages.
• [Fix] Refactor unit tests.
• [Doc] Fix wrong comments about dropIfEmpty options in ArcusClientIf.
• [Other] Update maven surefire plugin version to 2.19.
• [Other] Apply CI tool (Travis-CI).