Apache Curator Kylin 2.12.0 Branch

This is a fork from Apache Curator for Kyligence Enterprise 3.x version.

This branch only accepts bug fix.

For more details, please see issue: https://github.com/Kyligence/KAP/issues/12190

Change log of BUG-FIX:

2019-06-11: CURATOR-452, KAP-12190, fix childData.getData() can be null 2019-07-31: KAP-13729, make InterProcessMutex#isOwnedByCurrentThread() public

Release log of Curator kylin branch

1. 2019-06-12 version: 2.12.0-kylin-r1
2. 2019-07-31 version: 2.12.0-kylin-r2

How to release

Please see HOW-TO-RELEASE for more info