* Add new_doc to develop branch

* Add pics of Anakin tutorial

* Update anakin_tutorial.md

* Delete anakin_fm_en.png

* Delete contri1.JPG

* Delete contri2.JPG

* Update build_and_install_lib_cn.rst

* Update compile_paddle_lib_cn.md

* Update compile_paddle_lib_en.md

* Update install_doc.rst

* Update install_doc.rst

This is part of big move of v2 codes to legacy sub dir.

fix https://github.com/PaddlePaddle/Paddle/issues/9014 and https://github.com/PaddlePaddle/Paddle/pull/10304

* Update doc/v2/howto/cluster/multi_cluster/index_en.rst

* update

* Update index_en.rst

* update requested changes

* translate-hrnn-api-dwk

* translate-hrnn-api-dwk

* translate-hrnn-api-dwk

* translate-hrnn-api-dwk

* modifications according to comments

modifications according to comments

* Update compile_paddle_lib_en.md

Fix https://github.com/PaddlePaddle/Paddle/issues/8916

* Update compile_paddle_lib_en.md

* Update recurrent_group_en.md

Fix https://github.com/PaddlePaddle/Paddle/issues/9013

* Update recurrent_group_en.md

* update v2/howto/cmd_parameter/index_en.rst

fix https://github.com/PaddlePaddle/Paddle/issues/8909/index_en.rst

* Update index_en.rst

update

* Update index_en.rst

fix punctuation & en.cmd

* Update index_en.rst

Update en version

* Update index_en.rst

Update refer to commits and thank you for the suggestion.

* Update index_en.rst

* Update index_en.rst

Update  refer to commits

1. add 1 sentence that was not translated in the original version
2. repair image showing problem

* update en doc for Distributed Training

* typo fix

* add is_local paramter description

* update

* update by comment

* add write_new_layers in rst tree