[TD-1859]<feature>: a JDBC implementation use TDengine Restful Interface

[TD-2115] <test> update test case

[TD-2083]<fix>: synchronization may fail when creating a table

TD-2098: reset end time when an alert begins

[TD-2106]<fix>: cannot find table by alias

[TD-2060] <test> add test case

Feature/wal

Test/testcase exit when case failed 

[TD-2014]<fix>: add flow ctrl to vnode 

Update README-jdbc-windows.md

feat:  see #4016 

[TD-2121]<hotfix>: fix coredump when commit failed

[TD-2051]<fix>: taosd will crash if there a hostame not exist  #4249

fix skiplist put batch bug

[TD-2096]<fix>: apercentile on super table  crash

Feature/query

Feature/wal