* add 1.5.1 inference lib download path for windows

* re-organize the doc format

* add lite

* lite clean

* update

* up

* update

* refine lite mobile doc (#962)

* update

* update

* update mobile according to paddle-mobile repo

* Update mobile_readme_en.md

* update paddle-mobile doc

* delete untracked file

* refine inference api

test=develop

* fix typo

* fix typo

* fix comments

* fix typo

* refine inference api

test=develop

* fix typo

* fix typo

* fix comments

* TRT预测库仅支持GPU编译

DLTP-739 完善tensorRT使用文档 TRT需要GPU编译

* DLTP-965 预测模型的保存和加载文档优化

* Windows_installation_English

* DLTP-1417 受训改为训练

* add python inference api doc

* fix typo

* Update native_infer.md

* Update paddle_tensorrt_infer_en.md

* Update paddle_tensorrt_infer_en.md

* Update doc/fluid/advanced_usage/deploy/inference/paddle_tensorrt_infer_en.md
Co-Authored-By: Nacosta123 <42226556+acosta123@users.noreply.github.com>

* Update paddle_tensorrt_infer_en.md

* Update paddle_tensorrt_infer_en.md

* hotfix deadlink (#811)

* Update native_infer_en.md (#787)

* Update install_Windows_en.md (#790)

* Update install_Windows_en.md

* Update install_Windows_en.md

* Update cluster_howto_en.rst (#791)

* Update cluster_howto_en.rst

* Update cluster_howto_en.rst

* Update doc/fluid/user_guides/howto/training/cluster_howto_en.rst
Co-Authored-By: Nacosta123 <42226556+acosta123@users.noreply.github.com>

* Update doc/fluid/user_guides/howto/training/cluster_howto_en.rst
Co-Authored-By: Nacosta123 <42226556+acosta123@users.noreply.github.com>

* Update cluster_howto_en.rst

* Update index_cn.rst (#813)

* Update native_infer_en.md

* Update native_infer_en.md

* recheck_structure&fix_typo

* fix_structure

* adjust_dist_structure

* fix_deadlink

* fix deadlink

* synchronize with develop (#642)

* update_commitid1.3 (#641)

* update inference c++ API doc (#634)

* update inference c++ API doc

* fix link

* thorough clean for doc (#644)

* thorough clean

* delete_DS_Store

* Cherrypick1.3 (#652)

* thorough clean

* delete_DS_Store

* [Don't merge now]update_install_doc (#643)

* update_install_doc

* follow_comments

* add maxdepth (#646)

* upload_md (#649)

* update_version (#650)

* Translation of 16 new apis (#651)

* fix_windows

* Final update 1.3 (#653)

* thorough clean

* delete_DS_Store

* update_1.3

* Deadlink fix (#654)

* fix_deadlinks

* update_docker

* Update release_note.rst

* Update index_cn.rst

* update_Paddle (#658)

* fix pic (#659)

* [to 1.3] cn api debug (#655) (#661)

* debug

* fix 2 -conv2d

* "锚" ==> anchor(s)

* fix_windows

* Final update 1.3 (#653)

* thorough clean

* delete_DS_Store

* update_1.3

* thorough clean

* delete_DS_Store

* update inference c++ API doc

* fix link

1. add index for all English version of "进阶使用"
2. replace legacy softlinks to howto/optimization & dev/new_op_en with original file

* mobile_build_en

* Review

* mobile_readme_en

* Update mobile_readme_en.md

* Review

* Review

* windows_cpp_inference_en

* Update windows_cpp_inference_en.md

* Review

* paddle_gpu_benchmark_en

* Update paddle_gpu_benchmark_en.md

* Review

* review2

* paddle_tensorrt_infer_en

* Update paddle_tensorrt_infer_en.md

* Review

* native_infer_en

* Update native_infer_en.md

* Review

* review2

* build_and_install_lib_en

* Update build_and_install_lib_en.rst

* Review

* update_inference_link (#540)

* update_inference_link

* delete cuda 7.5 line in table

* add&update develop table

* integration_2tables

* Update build_and_install_lib_cn.rst

2. update compile link path
3. modify cmake compile config.

* update layers_nn

* Update layers_cn.rst

* Update layers_cn.rst

* update api_cn except layers

* update fluid_cn.rst

* Update metrics_cn.rst

* update_ciwhl

* update_2nd

* fix_3rd

* fix_deadlinks (#476)

* [infer][rl_note]develop=1.2 (#480)

* update_infer_toctree

* add_fluid

* Update release_note.rst

* update_infer_toctree

* add_fluid

* Update release_note.rst