* stable-3.1:
ReceiveCommits: Parse body before accessing full commit message
Add anchor for account query options
ElasticContainer: Upgrade V6_8 to elasticsearch 6.8.9
ElasticVersion: Replace unchecked throw w/ javadoc
Remove obsolete parts from Java code style guide
Elasticsearch: Remove support for EOL 6.5 version
Fix edit diff url
Decode group id (for UUID) in gr-group
Change-Id: I556584e4649919b4fe74cbd3bc29db141b82c00b
7d65d0a96c