* change the IConsumerServiceSelector interface access modifier

* change the IConsumerServiceSelector interface access modifier

* update version to 2.4.0

* Add version options to config file.

* update resource

* add  message version support  for dashboard

* add  message version support  for dashboard

* Support using version to isolate messages. #220

* update mongo unit tests

* update unit tests

* update unit tests

* Set default versions for consumer groups

* solve the problem of issue#181 (#237)

* Issue#235 (#238)

* solve the problem of issue#181

* solve the problem of issue#235

* refactor

* Fix the message persistence bug. #240

* using new CamelCaseNamingStrategy

* update packages to .net core 2.2

* update test framework to netcoreapp2.2

* Update .travis.yml

* update TargetFramework

* Exclude build samples project

* Update README.zh-cn.md

* Delete README.2.2.md

* Fix  flush unclaer data bugs.

* Update README.md

* Update README.md

* Update README.zh-cn.md

* update readme.md to add the subscriber group descriptions.

* update readme

* update version to 2.3.1

* add SnowflakeId unit tests

* update build.cake for unit test adjustment

* remove unused config file

* update readme

* update readme

* Fixed dashboard messages requeue error. ( #205 )

* Refactoring

* Fixed SnowflakeId workerId to random id.

* Update README.md

* upgrade dependent nuget packages.

* Add SourceLink Support

* Abstract MongoTransaction to make the usage more comfortable

* Tweak the method name

* Abstract MongoTransaction to make the usage more comfortable

* Tweak the method name

* Ignore .vscode

* Add MongoDBTest

* New DotNetCore.CAP.MongoDB

* Use MongoDB

* Initialize MongoDB

* GetPublishedMessageAsync

* GetPublishedMessagesOfNeedRetry

* Get received message

* Change published state

* Chang received state

* Store received message

* MongoDBStorageTransaction

* Implement CapPublisher

* Fix CAP.BuilderTest

* Implement ICollectProcessor

* Configure MongoDBOptions

* Test MongoDBHelper

* Remove useless code

* GetMonitoringApi

* Test MongoDbStorage

* Test MongoDBStorageConnection

* Test MongoDBStorageConnection

* Add sample for MongoDB

* Tweak CapPublisher

* Wati interval

* Tweak Mongo extension

* Publish without mongo session

* Publish rollback

* Publish without session & subscribe msg

* Tweak rabbitmq config

* .gitignore

* Implement & test HourlyFailedJobs

* Rename MongoDBUtil

* Rename MongoDBUtilTest

* Tweak pipeline

* Implement HourlyJobs

* Remove redundant code

* Implement Messages

* Implement MessagesCount

* Fix non-standard StatusName

* To local time

* Tweak two properties name

* Tweak two methods name

* Supplement xml comments

* Fix wrong names

* Ignore .vscode

* Add MongoDBTest

* New DotNetCore.CAP.MongoDB

* Use MongoDB

* Initialize MongoDB

* GetPublishedMessageAsync

* GetPublishedMessagesOfNeedRetry

* Get received message

* Change published state

* Chang received state

* Store received message

* MongoDBStorageTransaction

* Implement CapPublisher

* Fix CAP.BuilderTest

* Implement ICollectProcessor

* Configure MongoDBOptions

* Test MongoDBHelper

* Remove useless code

* GetMonitoringApi

* Test MongoDbStorage

* Test MongoDBStorageConnection

* Test MongoDBStorageConnection

* Add sample for MongoDB

* Tweak CapPublisher

* Wati interval

* Tweak Mongo extension

* Publish without mongo session

* Publish rollback

* Publish without session & subscribe msg

* Tweak rabbitmq config

* .gitignore

* Implement & test HourlyFailedJobs

* Rename MongoDBUtil

* Rename MongoDBUtilTest

* Tweak pipeline

* Implement HourlyJobs

* Remove redundant code

* Implement Messages

* Implement MessagesCount

* Fix non-standard StatusName

* To local time

* Tweak two properties name

* Tweak two methods name

* Supplement xml comments

* Fix wrong names

* Improve the implementation mechanism of queue mode. #96

* refactor the code .

* add Copyright & License description into header text of code files.

* refactor

* set version to 2.2.0

* update unit tests.

* add exception class to process the publish send and subscriber exectution exception

* modify first retry time to three.

* code refactor.

* add retry mechanism

* code refactor

* refactor consumer execution

* fix spell error

* remove dashboard  `processing ` content.

* Modify the retry to retry the message only 4 minutes ago.

* update samples

* update ci configuration.

* Improve the implementation mechanism of queue mode. #96

* refactor the code .

* add Copyright & License description into header text of code files.

* refactor

* set version to 2.2.0

* update unit tests.

* add exception class to process the publish send and subscriber exectution exception

* modify first retry time to three.

* code refactor.

* add retry mechanism

* code refactor

* refactor consumer execution

* fix spell error

* remove dashboard  `processing ` content.

* Modify the retry to retry the message only 4 minutes ago.

* update samples

* update ci configuration.