Fix IPMC checks for releasing.

* Support direct server setting in agent.

* Fix format.

* Add direct_servers check (#981)

* Finish the prototype of TLS of gRPC between agent and server.

* Fix for rat check.

* Update GRPCChannelManager.java

* Update AgentModuleGRPCProvider.java

* Upgrade netty version (#971)

* Make sure end user can't start gRPC server with and without SSL in the same port.

* 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.

* fix #939

fix #939

* fixcheckstyle

* add npm install error tips.

tell people use taobao's npm source.

* Update How-to-build-CN.md

* Update docs for alpha release

* Delete a comma.

* Update How-to-build.md

* Add data-set licenses file

* Rename LICENSES-data-set to LICENSE-data-set

* Update LICENSE

* Remove fastclick from LICENSE

* Make the git submodule command to be a maven profile plugin. Let this command not execute by default install command.

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

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

* Product name is not correct

* Add more documents for release.

* Change profile id.

* Add CHANGES file in distribution file.

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

This reverts commit ac815019.

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

This reverts commit 095597c9.

* Add rat plugin to check dependency license and add license head into missing files.

* Fix docs.

* Exclude web ui config file.

* Next release guide.

* UI update.

* Update docs.

* Build source shell.

* Update docs and source release.

* remove .sha256 requirement.

* Update How-to-release.md

* Update How-to-release.md

* Update build doc.

* Update docs.

* Update How-to-release.md

* Update How-to-release.md

* Update docs for alpha release

* Delete a comma.

* Update How-to-build.md

* Add data-set licenses file

* Rename LICENSES-data-set to LICENSE-data-set

* Update LICENSE

* Remove fastclick from LICENSE

* Make the git submodule command to be a maven profile plugin. Let this command not execute by default install command.

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

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

* Product name is not correct

* Add more documents for release.

* Change profile id.

* Add CHANGES file in distribution file.

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

This reverts commit ac815019.

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

This reverts commit 095597c9.

* Add rat plugin to check dependency license and add license head into missing files.

* Fix docs.

* Exclude web ui config file.

* Next release guide.

* UI update.

* Update docs.

* Build source shell.

* Support zk namespace, #935

* Revert default changes.

* Update README.md

* Update README_ZH.md

* Update README.md

* Update README_ZH.md

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

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

* Add more dependency licenses.

* Change the asm component’s license.

* Update CHANGELOG.md

* Update Deploy-backend-in-standalone-mode.md

* Add license file.

* Update license and notice files.

* Add licenses of dependencies.

* Add license.

* Create style check module.

* Add scm, licenses, mailing lists into root pom.

* Add jacoco and coveralls maven plugin into check style module’s pom.

* Update README.md

* Update README_ZH.md

The time range expression for query the live instance between the start time and end time is incorrect.

* Fixed #920

* Sync sub module.

* Fixed #918

* 1. Fixed the remote serialize exception bug when there was a null value in string array.
2. Fixed the topology null exception bug when source or target application id is 0.

* Update UI submodule

* Update UI submodule

* Fixed the no data avg throughput in service bug.

* Fixed no parent dependency for service dependency graph #906

1. Fixed the OverViewLayerQuery#getTopNSlowService method bug which is not order by average response time. (#913)

2. Fixed the OverViewLayerQuery#getTopNApplicationThroughput method bug which is not order by TPS.
3. Fixed the ApplicationQuery#getSlowService method bug which is not order by average response time.
4. Fixed the ApplicationQuery#getServerThroughput method bug which is not order by TPS.

#907

* 1. Add transaction average duration, business transaction average duration, MQ transaction average duration into all metric entities, DAO define, persistence DAO.
2. Add formula calculate operation.

* Refactor the package name in storage module, make the table define and dao package’s name same as others.

* Update How-to-build-CN.md

* Update How-to-build.md

* Try to fix #886

* Try to fix ci.

* Fix a style check.

* Get the MQ server address id from reference.

* Fixed the remote exception bug when running cluster mode collector.
How: Register remote data entity into remote module.

* Fixed the bug which the end second time bucket calculate result is incorrect.

* Fixed a test case error.