[TD-4100]<fix>:The server will crash when compressMsgSize is changed to 0

* [TD-3985]<fix>: taosdemo timestamp step overflow.

* fix specified subscribe test.

* replace potential overflow of int32 to int64

* replace potential int32 overflow variables to int64.

* replace potential int32 overflow variables to int64.

* change max of int16 to int64 after type changed.

* improve more and more.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

Test/td 4167 m

[TD-4167]add smoke test on centos7 in CI

* [TD-3985]<fix>: taosdemo timestamp step overflow.

* fix specified subscribe test.

* replace potential overflow of int32 to int64

* replace potential int32 overflow variables to int64.

* replace potential int32 overflow variables to int64.

* change max of int16 to int64 after type changed.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-4202] <docs>: fix Grafana plugin installation directory.

[TD-4092] <docs>: describe "SHOW CREATE" series of commands.

[TD-4114]<test> add test case for bind batch

[TD-4154]insert error msg

TD-4176

[TD-3963]tsdbRepo config hot change

[TD-4179]<test>: add test case

* [TD-4148]<feature>: JDBC-Restful Compatible version before 2.0.18.0

* [TD-4174]<test>: add test case for TD-4174

* change

* change

* change

* change

* change

[td-4175]<enhance>: improve the error message while the binary string…

[TD-4020]duplicated queries in show result

Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-4136]<fix>: taosdemo records per req more than 32767.

for develop branch.

* change taosRandom() to rand_bool() for bool data.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-4170]<hotfix>:improve skiplist rand performance

[TD-4172]<fix>