* [issue#1164]return the codes to original reput method part.

* [issue#1164]fix issue that Consumer Instance can't consume message from slave when cluster is in the high level tps and master has been killed.

* [issue#1164]if the broker is a master node,then modify reputFromOffset correctly.

* [issue#1164]add some coding comments.

* [ISSUE#1156]new mqadmin API for ACL configuration.Add dataVersion and write data to acl yaml config file in the acl module.

* [ISSUE#1156]add unit test cases for new acl mqadmin API command which adding dataversion part.

* [ISSUE#1156]implement update,delete and query Acl config version in new acl mqadmin API command.

* [ISSUE#1156]polish and optimize the implementation for new acl mqadmin API command.

* [ISSUE#1156]fix the issues that topicPerms and groupPerms can't be updated and there is NPE when querying acl config version.

* [ISSUE#1156]fix small issue that specify wrong plainAccessConfig attribute,the correct one is AccessKey.

* [ISSUE#1156]add updateGlobalWhiteAddr subcommand codes for mqadmin acl command.

* [ISSUE#1156]adjust some codes for cluster acl config version list in the mqadmin acl commands.

* [ISSUE#1156]add acl mqadmin command part in the acl user_guide docs.

* [ISSUE#1156]polish and optimize some part of acl mqadmin command codes.

* [ISSUE#1156]fix code comments issue that the first letter needs to be capitalized and adjust the contents of acl user_guide.

(1) Polish message trace target channel (2) Fix the issue that consume message with namespace trace cannot found

 [RIP-10] Add test cases for QueryConsumeTimeSpanBody.java

* update: the period to a comma

* Update Concept.md

* Update Concept.md

Polish message trace default trace topic implementation

[ISSUE #1164]Fix Consumer Instance can't consume message from slave when cluster is in the high level tps and master has been killed. (#1181)

* [issue#1164]return the codes to original reput method part.

* [issue#1164]fix issue that Consumer Instance can't consume message from slave when cluster is in the high level tps and master has been killed.

* [issue#1164]if the broker is a master node,then modify reputFromOffset correctly.

* [issue#1164]add some coding comments.

[issue#1164]Consumer Instance can't consume message from slave when the TPS of cluster is in the high level and master has been killed.

[ISSUE #1147]Broker will report Exception if open the aclEnable and enableDLegerCommitLog flag at the same time. (#1149)

* [issue#1078]fix User can't use mqadmin command normally if they don't copy the tool.yml file to their related fold and AclEnable flag is closed.

* [issue#1147]Broker will report Exception if open the aclEnable and enableDLegerCommitLog flag at the same time.

* [issue#1147]Broker will report Exception if open the aclEnable and enableDLegerCommitLog flag at the same time.

* [issue#1147]Add the restriction of Acl in the acl's user guide.

* [issue#1147]Adjust some codes for acl issue that users can't open the aclEnable and use Master/Slave or Dledger the same time.

* [issue#1147]Adjust and optimize some codes for acl issue that users can't open the aclEnable and use Master/Slave or Dledger the same time.

* [issue#1147]return back for original codes for acl issue that users can't open the aclEnable and use Master/Slave or Dledger the same time.

* Add nameserver host support

* Polish namespace auto obtain feature

[ISSUE #1120]Add new feature: support namespace

[ISSUE #1078]fix User can't use mqadmin command normally if they don't copy the tool.yml file to related fold and AclEnable flag is closed.  (#1079)

* [issue#1078]fix User can't use mqadmin command normally if they don't copy the tool.yml file to their related fold and AclEnable flag is closed.