* 拉勾网使用skywalking进行调用链路监控

* Update powered-by.md

Change order only.

* Lock oracle and resin plugins version.

* Move resin and oracle plugin to openskywalking

* Restore submodule active.

* Add another submodule active command.

* Remove the wrong test cases in release and fix some doc issues.

* [maven-release-plugin] prepare release v6.0.0-alpha

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

* Fix some doc

* Update README.md

* Update Screenshots.md

* Update Screenshots.md

* Update Screenshots.md

add user case Yonghui Superstores

* Update powered-by.md

添加使用公司

* Update powered-by.md

Format order.

grammar fix

* Avoid service inventory object concurrency situation.

* Fix concurrency for minute persistence and others

* Fix document todo.

* Update license. Fix package with dirty agent plugin jar files.

* Fixed not combine error in persistence register worker.

* Update submodule skywalking-ui

* Add kubernetes and istio setup documents

* Remove kubernetes scripts

* 添加北京国槐信息科技有限公司

北京国槐信息科技有限公司

* Update powered-by.md

Change the order in alphabeta.

add:1. Mypharma.com 北京融贯电子商务有限公司 https://www.mypharma.com

* Add more documents for v6.

* Make default setting consistent .

2. Make service relation and endpoint relation to record component id.
3. Delete service mapping indicator.
4. Make service inventory to record mapping service id.
5. Refactor global topology query and service topology query.

* prepare chinese docs.

* Replace v5 changes by a link to 5.x branch. New v6 changelog.

* Finish query doc and fix a missing field in alarm doc.

* Add link to official oal in alarm doc.

* Fix words.

* Fix some doc

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Fix broken links to the correct page.

* Direct getting started links to the correct doc

* Add Undertow 2.x plugin

* Undertow: Interceptor method executeRootHandler in class Connectors

* Change version number to 6.0.0-alpha-SNAPSHOT

* Support alarm message.

* Fix document words.

* Support alarm hook.

* Fix javadoc issue.

* Sync submodule

* Sync submodule

* New generated indicators for real backend system.

* Support cpm and new indicators.

* Fix CI and change document.

* Remove an useless line.

* Change oal doc.

* Remove typo

* Remove document WIP tag.

* Fix few words.

* no message

* Adjust contribution guides.

* Update powered-by.md

* update build md

* add   generated-sources  protobuf  in  build.md

Add a lot of documents. @peng-yongsheng @hanahmily . Also @hanahmily , the k8 cluster management document and deploy document need you to add.

alphabeta to alphabet

* 用户接入 上上签

* add user