code review

Merge pull request !507 from 徐睿/r1.8.0

Merge pull request !502 from gengchao/c81_depth_limit

Merge pull request !494 from gengchao/self_check

Merge pull request !483 from 赵鲁鹏/com1

Merge pull request !480 from wangzhengjun/ge_dev

Merge pull request !478 from 苏俊伟/ge_dev

Merge pull request !476 from 王笑天/ge_dev_local

Merge pull request !476 from 王笑天/ge_dev_local

Merge pull request !477 from 陈煜/ge_dev

Merge pull request !472 from 王笑天/ge_dev_local

Merge pull request !470 from huanruizhi/ge_dev

Merge pull request !467 from 李正龙/misra_0215

* test
* test
* test
* test

Merge pull request !462 from 刘康/all_in_one

* test

Merge pull request !460 from 李正龙/master

Merge pull request !459 from 张晓昆/trunk_hi

Merge pull request !458 from 王笑天/master

* update submodule

Merge pull request !456 from wangzhengjun/dyn_get_next

Merge pull request !455 from 于佼良/master

Merge pull request !454 from 于佼良/master

Merge pull request !453 from 王笑天/master

* codecheck clean

Merge pull request !451 from 于佼良/master

* opensource

Merge pull request !444 from 徐睿/br_com

Merge pull request !440 from wangzhengjun/batch_for_bert_train