Fixed TS-426. group by can not ignore NULL 

[TD-10634]<test>:outer query support group by ts

[TS-707]<fix>: fixed crash when cleanup was called before creating all http threads

kinghistorian release scripts modify

[TD-11258]Unexpected result in "select expression from stable where .…

* [TD-11155]<fix> taosdemo stmt heap buffer overflow

* fix cmdline stmt heap buffer overflow

[TS-527]<test>: add test case for state_window with subquery

[TD-10776]<test>outer fill error

[TS-527]<fix>: fixed 'select *' with state_window bug

[TD-11258]Unexpected result in "select expression from stable where ... interval() fill(null) group by" statement

[TS-453]<release>: kinghistorian release scripts

[TS-676]<fix>: fixed coredump when 'group by' was used

[TS-636]<fix>:escape % with \ suport

* [TD-11063]<fix>: Support gcc4.4.

* [TS-615]<CI>add Ningsi OS

* make jenkins happy
Co-authored-by: Nliuyq-617 <yqliu@taosdata.com>

ver-2.2.2.0: change version number

Feature/d7

merge from 2.0 into master