Apache Kylin 5.0.0

With 5 binding (and 1 non-binding) votes, Apache Kylin 5.0.0 is released. Download links will be updated on the website shortly.

Change highlights:
New Features:
Model:
- Support model import and export
- Support model recommendation
- Support table index
- Support scd2
- Support computed column
- Support excluded column
- Support multilevel partitioning
- Support streaming and fusion model
Table:
- Support internal table
- Support logical view
- Integrate apache gluten(CH backend) as native engine
Query:
- Support query cache in redis
- Support query specific model by sql hint
- Support segment pruning by dimension range
- Support new functions(CORR, SUM_LC, Bitmap, Grouping Sets, Intersect, )
Enhancement:
Query:
- Optimized parser of sum case when expression
Metadata:
- Metadata re-factory
Bugfix:
https://issues.apache.org/jira/projects/KYLIN/versions/12353578

Thanks to everyone who has contributed to this release. Here are the release notes:
https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316121&version=12353578

The commit:
https://github.com/apache/kylin/tree/kylin-5.0.0 (ed638c4)

Release artifacts are signed with the following key:
https://people.apache.org/keys/committer/liyang.asc