* Support setting private key content in athenz client plugin

* added privateKey field to authParams in athenz client plugin

* Remove Managed Ledger metadata text format

* MockZookeeper should store values as byte[] and not convert to String

…apache#714)

* Add msgAck and redelivery debug-logs And add topic-name in debug-logs

…no change in code logic (apache#724)

* Validate dynamic-configuration value while updating or init

…apache#726)

* Handle NPE at load-manager when leader couldn't find available broker

* avoid throwing exception

* return empty lookup-result if broker not found

- add `event_time` field in message metadata proto
- expose `setEventTime` in MessageBuilder
- expose `getEventTime` in Message
- add event_time test cases for message & message builder

* Update `protobuf/README.md`

*Problem*:

the cpp protobuf files are automatically generated by Cmake.
we don't need extra instructions for generating cpp files.

*Solution*:

Remove the content about cpp from `protobuf/README.md`

* Update comment - "C++ code is automatically generated by cmake"

* Address comment

* Added reader endpoint description to WebSocket.md

* Fixed sample code in WebSocket.md

* Use on('message',listener) in node.js sample code

* Reader API for C++ clienReader API for C++ clientt

* Fixed compile error with listener function

* Fixed compile errors and PR comments

* Fixed conversion between MessageId and BatchMessageId

* Removed usage of std::tie

* Revert change in BatchMessageId since it breaks the tracker

* Increase available permits only once

…che#754)

…s disabled (apache#748)

BK changes:
 * Issue apache#372: Allow to configure advertised address in bookies
 * Fix DoubleByteBuf readableBytes()

…gh (apache#758)

* Add option to persist unack-msg range to cursor-ledger if range is high

* Increase managedLedgerMaxUnackedRangesToPersist=10K

* End to End Encryption Support - Java client

* End to End Encryption Support - Java client

…#764)

…#765)

…he#771)

…apache#778)

…pache#777)

* Fix ClientDeduplicationTest intermittent failure with parallel tests

Fix apache#776

* Fixed url for creating namespace

* Fixed the jar name for the aspectjweaver

* Use runtime loader

…ebSocket (apache#779)

* Ensure producer/consumer are creating before upgrading from HTTP to WebSocket

* Addressed PR comments

…atibility with original)"

…remove mock bookie when setup"

…ding method, and this setting is not necessary enough"

…lator.start

… use netty4.1"