* Add receive data and verify data distro protocol interface
* Use new distro implmentation to handle sync datum and checksum request
* Use new distro implmentation to handle get datum request.
* Add ServiceManagerTest
* Add DistroConsistencyServiceImplTest
* Add new distro entities
* Add new distro sync data change
* add new VerifyTask to do checksum.
* Replace old sync task and checksum task
* Add retry sync change task.
* Fix high cpu load
* For checkstyle
* Combine naming sync task to reduce http cost
* Move some classes
* Refactor keys combined logic
* enhance package construct
* Fix unit test
* For pmd
1. It’s a little weird to use Chinese comma in English
2. Fix typo: change 'reposity' to 'repository', 'instance' to 'instances'
3. Format other details of the doc
* 1.use server cacheMillis event service deleted
2.naming client UpdateTask's interval will inc by failCount that connect with server
* 1.move failCount to updateTask
2.redefine the updateService method name. updateServiceNow -> updateService, wrap updateService in updateServiceNow when first getServiceInfo
* 1.create push client even service is not exist
2.serviceInfo's hosts is empty or can't connect to server both add the updateTsk interval
* format the indent
* fix `unit test method not be static` & update publish config listener in `ConfigTest.java`
* fix `unit test method not be static` & update publish config listener in `ConfigTest.java`
* move the permission code of nacos-core module to nacos-auth module.
* Fix some code style issues
* address server module auth package name change.
* test change
* Incorrect package name correction
* ISSUE #3530 add button for user role page
* Merge branch 'upstream-develop' into develop-issues-#2792
# Conflicts:
# console/src/main/resources/static/js/main.js
* Fix an uncaught exception when accessing restricted namespace in authentication mode.
* Resolved merge conflict
* Withdraw changes that are not part of this pr
* fix#3486
* modify code suit checkstyle
* add apache licenses
* change the publish version of new class
* set the char "-->" in interface
* set the char "-->" in interface
* code format
* add unit case of com.alibaba.nacos.core.code.ControllerMethodsCache.getMethod
* code format follow nacos-code-style
* code format follow nacos-code-style
* 配置pageSize列表 #3439
* Service List Page Increase the number of pages switching function is the same as the configuration management page #3500
* issues#3500 编译之后的代码
* 在绑定角色的时候用户列表改成下拉选中的模式 #3518
* change code style
* delete unused import
* delete changed indent please.
* Javadoc add an ending period
* fix bad sql and change return type
* change js get value
* delete whitespace
* check code style
* add permissions, associated role, change to fuzzy matching drop-down(java code)
* add permissions, associated role, change to fuzzy matching drop-down(js code)
* delete "/"
* Fix address server mode cannot be obtained application.properties And synchronize the properties value(#3509)
* format code.
* update mysql default value nacos:nacos
* 配置pageSize列表 #3439
* Service List Page Increase the number of pages switching function is the same as the configuration management page #3500
* issues#3500 编译之后的代码
* Fix browser Uncaught TypeError when create a Properties type configuration
* Change Properties content verification method
* Update front end resources
