* Update curator & guava version

* Remove deprecated api for curator

* For code inspection

* For code inspection

* For code inspection

* Fix checkstyle

* Refactor SchemaContextsBuilder.ruleConfigurations

* Refactor SchemaContextsBuilder.authentication

* Refactor SchemaContexts

* Refactor SchemaContextsBuilder

* Remove SchemaContextsBuilder.log

* Refactor Bootstrap.createSchemaContextsAware

* Refactor Bootstrap.createSchemaContextsAware

* Refactor MetaDataCallback

* Refactor OrchestrationSchemaContexts

* Refactor ProxyOrchestrationSchemaContexts.getAddedDataSources

* Refactor ProxyOrchestrationSchemaContexts.getAddedDataSources

* Rename SchemaContextsAware to SchemaContexts

* Rename Bootstrap.initSchemaContexts

* Refactor StandardSchemaContexts

* Refactor OrchestrationSchemaContexts

* Make consist with OrchestrationSchemaContexts & OrchestrationShardingSphereDataSource

* Make consist with OrchestrationSchemaContexts & OrchestrationShardingSphereDataSource

* Fix test case

* Rename FacadeConfiguration to ControlPanelConfiguration

* Fix compile error

* Rename OpenTracingTracer

* Refactor ControlPanelFacadeEngine

* Refactor ControlPanelFacadeEngine

* Avoid use Map.Entry in code

* Refactor MySQLServerInfo

* Add ProxySchemaContexts.getDataSourceSample

* For code style

* Refactor Bootstrap

* Update javadoc

* Update javadoc

* Refactor ConfigCenter

* Refactor ConfigCenter

* Use lombok on Callback

* Use lombok on Callback

* Update java doc for Callback

* Update java doc for Callback

* for checkstyle

* Fix checkstyle

* Revise java doc

* Refactor OrchestrationRepository

* Use same repository if use same orchestration config for reg center and config center

* Use same repository if use same orchestration config for reg center and config center

* Add OrchestrationRepositoryFacade

* Add test cases

* For checkstyle

* Refactor common yaml package

* Move orche yaml to core module

* Move OrchestrationException to api package

* Use DataChangedEvent.ChangedType only on import statement

* Refactor repository

* Remove ConfigKeyUtils

* Remove shardingsphere-orchestration-repository-common

* Rename OrchestrationRepositoryConfiguration to OrchestrationCenterConfiguration

* Rename getRegistryRepositoryConfiguration to getRegistryCenterConfiguration

* Rename CenterConfiguration to OrchestrationRepositoryConfiguration

* Rervise java doc

* Unify properties and props

* Unify properties and props

* Merge branch 'master' into dev

# Conflicts:
#	shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/main/java/org/apache/shardingsphere/sharding/strategy/algorithm/sharding/ModuloShardingAlgorithm.java
#	shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-route/src/main/java/org/apache/shardingsphere/sharding/route/engine/type/standard/ShardingStandardRoutingEngine.java
#	shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/main/java/org/apache/shardingsphere/proxy/Bootstrap.java

* fixes failed to disable slave database

* fixes unit test errors

Move shardingsphere-orchestration, shardingsphere-opentracing, shardingsphere-metrics into shardingsphere-control-panel module (#5654)

* Move shardingsphere-orchestration, shardingsphere-opentracing, shardingsphere-metrics into , shardingsphere-control-panel module

* fix modules

* rename sharding-orchestration-core to shardingsphere-orchestration-core

* rename sharding-orchestration-center to shardingsphere-orchestration-center

* Rename sharding-orchestration to shardingsphere-orchestration

* fix dependency error

* for issue#5043 add interface delete(key) in CenterRepository

* for issue#5043 implements delete interface for test classes

* for issue#5043 remove empty line

* optimize zk unittest

* remove testingserver restart

* ensure curatorClient is active

* Polish code style

* orchestration mode code optimization .

* orchestration mode code optimization .

* orchestration mode code optimization .

* orchestration mode code optimization .

* charset ues guava .

* four blank line

* four blank line

* four blank line.

* four blank line.

* orchestration mode code optimization .

* for code style

* refactor OrchestrationConfiguration

* move orchestration config to orchestration module

* for code style

* rename ShardingSphereProperties to ConfigurationProperties

* rename PropertiesConstant to ConfigurationPropertyKey

* rename ConfigurationProperties and OrchestrationProperties

* move OrchestrationProperties to sharding-orchestration-core-facade module

* move ConfigurationProperties to config package

* rename impl of TypedPropertyKey

* move ConfigurationPropertiesTest

* refactor projects

* refactor to extract model and configuration

* modify a spelling

* refactor sharding-jdbc-orchestration&sharding-proxy-common

* refactor sharding-jdbc-orchestration-spring

* upgrade java version from 7 to 8

* upgrade lambda expr for java8

* use java8 Optional instead of guava Optional

* use java8 Optional instead of guava Optional

* refactor orchestration apollo properties with TypedProperties class.

* refactor orchestration nacos properties with TypedProperties class.

* refactor orchestration Zookeeper properties with TypedProperties class.

* refactor orchestration common properties with TypedProperties class.

* refactor orchestration facade overwrite properties with OrchestrationProperties class.

* fixes orchestration properties String default value.

* fixes orchestration Zookeeper properties key name.

* add Apache license.

* add orchestration enum properties comment.

* separate META-INF.services.

* split sharding-orchestration-center to sharding-orchestration-center-api and sharding-orchestration-center-xxx

* rollback comment.

* modify the scope of zk dependencies to default.

* Add `CenterType` enum.

* 1. add InstanceConfiguration class.
2. update related code.
3. add UTs.

* Rename CenterType to OrchestrationType.

* Add distributed lock center module

* In distributed lock center module, modify code style.

* Add sharding-orchestration-center.

* modify META-INF.services files in sharding-orchestration-center.