* Revert reset feature.

* Set default dist alarm settings and make dist package setting files right.

* Support empty list.

* H2 storage code skeleton.

* Add batch dao for H2.

* Fix wrong refactor.

* Add codes of other dao. No metric dao, wait for @peng-yongsheng new PR.

* Change license of distribution

* Add topology query in H2.

* Add more daos.

* Add some daos.

* Commit all H2 daos. Wait @peng-yongsheng to submit new IAggregationQueryDAO interface.

* Fix some CIs

* Fix wrong refactor, which causes h2 plugin failure.

* Fix all codes of H2 storage. :) and CI should pass. No test.

* Fix CI and typo

* Fix connection closed.

* Fix register bug

* no message

* Fixed service inventory register bug.

* Fix a compile issue.

* Sync change

* Reset es as default storage.

* Fix rat

* Fix H2 compile issue.

* Fix bugs for H2 storage.

* Fix bug in mesh.

* 1. Fix Thermodynamic query bug
2. Fix service inventory query bug
3. Fix missing traceid in trace query bug

* Fix query bug.

* Submit reverse caused by prev PR.

* Fix duplicate spans.

* Use H2 as default storage implementor.

* Fix bug in topology query.

* Fix CI

* Fix rat

* Fix two query in H2 storage.

* Fix H2 query

* Make release running in H2 mode and develop mode running is ES mode in default

* Finished topology query.

* Fixed the bug of CI failure and startup failure.

* Buffer stream.

* Buffer file reader.

* Register start up.

* Service inventory register test success.

Add a new assembly xml file to oap-starter project, and add `oapService.sh/bat`
files to apm-dist project.

Remove `collectorService.sh/bat` scripts from apm-dist project.

* Receiver, aggregate, server finished.

* Cluster module implementation finished.

#1009

* Proposal the code structure for table name prefix. Related to #932

* Fix style check.

* Keep ESDao table name in control.

* Finish all codes about ES namespace feature.

* [maven-release-plugin] prepare release apm-5.0.0-alpha

* [maven-release-plugin] prepare for next development iteration

Fix assmbly for mvn clean install -Papache-release and update version to SNAPSHOT for SNAPSHOT release.

2. Delete the history data before the setting that you can find the property name of history_delete_before_days in the application.yml file.