* support ir api form prim

* convert vector of int to intarray

* support ir api for prim

* Add more gen api

* concat python api to concat_grad

* fix gen conflict

* support vjp prim mode in new ir

* remove useless code

* add vjp autogen v1.0

* add test for prim

* resolve type conflict

* modify utils

* remove useless code

* add split op and modify some bug of vectorType

* fix conflict

* add concat python test

---------
Co-authored-by: Ncyber-pioneer <chenzhuo@tju.edu.cn>
Co-authored-by: NCharles-hit <wanghao107@baidu.com>
Co-authored-by: N0x45f <wangzhen45@baidu.com>
Co-authored-by: Nchenzhiyang <1792266893@qq.com>
Co-authored-by: NChen Zhiyang <chenzhiyang99@126.com>

* refine program translator

* fix warning: not override

* fix bug

* merge new modifications

* modify by reviews

* resolve conflicts

* resolve conflicts

* fix

* fix

* fix conflicts

* pseudocode of backward

* modify test

* modify register op

* clear other code

* modify ci build bug

* reply review comments

* reply review comments

---------
Co-authored-by: Nkangguangli <kangguangli@hotmail.com>

* add attrs and dtype interface

* fix compile bugs

* fix some bugs

* fix windows bugs

* add trt_support_nhwc_pass

* use iwyu clean include, test=develop, test=win

* compilation error, test=develop

* fix compilation error2, test=develop

* fix compilation error3, test=develop

* fix compilation error4, test=develop

* fix compilation error5, test=develop

* fix compilation error6, test=develop

* fix compilation error7, test=develop

* fix compilation error8, test=develop

* fix compilation error8, test=develop

* fix compilation error10, test=develop

* fix compilation error11, test=develop

* modify the interface of Pass::Allay
test=develop

* Polish code
test=develop

* Fix Travis CI
test=develop

* fix Pass::Apply interface
test=develop

* Fix Travis CI
test=develop

and #pragma once in edited headers

add #include<string> in edited headers

test=develop

* link IR graph to analysis graph

* add clean code and update

* add infer_clean_pass

* add ir_pass_manager

* support fc fuse executation

* fix ir circle

Reduce one level of inheritence.

add doc

* Use Builder Chain to decorate new builders. It is easy to extend
  builders.
* Make graphviz path as a build strategy, not a FLAGS.

* cpplint test and add tesnor_py_test.cc

* Update

* Update

* Update tensor_util.h

* Update with moved TensorDesc

* Fix tensur_utils.cu

* Update

* Update

* Update

* Update

* Make tensor_util.cu a symbolic link