* fix_content_cn (#1579)

fix-contents_cn

* fix-apis-develop

* fix-one-error

* Update save_load_variables.rst (#1520)

* update 1_6 release (#1522)

* New tree (#1525)

* update 1_6 release

* fix readme
test=document_preview

* add new tree index

* Add save load save_dygraph load_dygraph (#1519)

* add save load save_dygraph load_dygraph, test=develop

* add .idea in gitignore, test=develop

* minor fix, test=develop

* doc refines, test=develop

* doc refines, test=develop

* Update custom_op.md (#1528)

* refine_design_idea_doc, test=develop (#1533)

* Add basic concepts (#1530)

* add cn docs, test=develop

* refine docs, test=develop

* add program doc, test=develop

* fix links, test=develop

* fix links, test=develop

* fix links, test=develop

* fix links, test=develop

* Fluid -> Paddle, test=develop

* Fluid -> Paddle, test=develop

* minor fix, test=develop

* minor fix, test=develop

* add Categorical and MultivariateNormalDiag doc (#1517)

* fix typos and links, test=develop, test=document_preview (#1514)

* Update programming_guide.md, test=document_fix (#1534)

重新组织了"新手入门>编程指南"中文文档，去掉了部分基础概念的详细介绍，比如Tensor，program等，本文档中更加注重对paddle静态图使用方式的说明

* Add C-API inference document and provide demo in the doc (#1526)

* add C-API inference document and provide demo in the doc

* fix Layer、label_smooth and Pool2D api, test=develop (#1506)

* fix Layer and Pool2D api, test=develop

* update label_smooth_cn.rst, test=develop

* modified cn doc for attr(shape) supporting -1, test=develop (#1531)

* Add gather_tree_cn.rst (#1537)

* Polish cn doc fo gru_unit, lstm_unit and scaled_dot_product_attention.

* Add gather_tree_cn.rst and update the data type of assign/fill_constant_batch_size_like/gather_nd.

* Fix _cn_api_fluid_layers_gather_tree

* Update tensor_array_to_tensor and add mse_loss.

* Update index_cn.rst

* Add GetExpectedKernelType method override rule to op_notes (#1527)

* add GetExpectedKernelType func override tule to op_notes

* add examples url

* add exemples to whether override method

* polish description

* polish doc based review comments

* Update deploy_ctr_on_baidu_cloud_cn.rst  (#1518)

* Add picture for deploy_ctr_on_baidu_cloud_cn.rst

* Baidu yun K8S + Volcano CTR Training Document 1.0

* Add ctr_pserver_log.png for deploy_ctr_on_baidu_cloud_cn.rst

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Add pserver-log

* Update deploy_ctr_on_baidu_cloud_cn.rst

* chanage image of kubectl download version from 1.13.3 to  1.13.4

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Update deploy_ctr_on_baidu_cloud_cn.rst

Update on Sept 18. 
remove description of helm, tiller, Go install.
replace new yaml provided by Jinghui Zhang

* add some images

* Update deploy_ctr_on_baidu_cloud_cn.rst

add model output manipulation part

* Update deploy_ctr_on_baidu_cloud_cn.rst

* update deploy ctr on baidu cloud cn.rst

* auto convert from md

* Update deploy_ctr_on_baidu_cloud_cn.rst

* replace the overview.png

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Delete train_on_baidu_cloud_en.rst

it is outdated and cannot match with Chinese Version for months.

* Delete train_on_baidu_cloud_cn.rst

Has been replaced by ELASTIC CTR

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Update deploy_ctr_on_baidu_cloud_cn.rst

* Update deploy_ctr_on_baidu_cloud_cn.rst

* [Paddle-Lite] add Paddle-Lite doc test=document_preview (#1545)

* change the version number of windows inference (#1549)

* Delete duplicate file api_tree

* fix inference api (#1546)

test=develop

* 1026 develop (#1551)

* add dataset

* add back dataset and data feeder

* add new seq2seq api_cn, test=document_preview

* add seq2seq api_cn, test=document_preview

* add seq2seq api_cn, test=document_preview

* add instance norm

* add strided_slice op cn doc test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix according review  test=develop

* fix according review  test=develop

* fix according review  test=develop

* fix gather_nd scatter_nd_add scatter_nd, test=develop

* fix centerloss, test=develop

* fix the description, test=develop

* fix the doc, test=develop

* refine doc for api Program, BackwardStrategy, default_start_up_program

* remove wrong binary char to make file not binary

* delete binary file and push a new file as regular one

* change name back since we delete bianry Program_cn on develop

* refine clone doc

* remove additional gitignore

* refine doc about some info

* refine doc about some info

* refine doc about some info

* refine doc about some info

* refine doc about some info

* remove useless info

* refine doc

* fix code

* fix doc error in Program_cn.rst

*  add code and refine doc

* refine clone doc

add cn doc for crop_tensor
modified cn doc for crop

* fixed one error of http://newicafe.baidu.com/issue/DLTP-2186/show

* update api_cn of develop

* fixed some errors of http://newicafe.baidu.com/issue/DLTP-2129/show

* fixed one error of api_cn

* fixed some errors of api_cn

* fixed some errors of api_cn

* fixed two errors.

* fixed two errors

* fixed one error.

* fixed one error

* fixed one error.

* fixed two errors.

* fixed one error.

* fixed two errors

* fixed two links

* synchronize api_cn with the api_en of develop.

* updated develop/api_cn

* update the api_cn of develop

* update api_cn of develop

* fixed some errors

* Delete .DS_Store

* Delete .DS_Store

* Delete .DS_Store

* Delete .DS_Store

* Delete .DS_Store

* fixed some wrong links

* fixed two links

* fixed two links and some error.

* fixed some errors.

* fixed two links

* break up layers and change index of layers

* prettify script

* update api_cn; fix the error of reverting layers_cn to 1.4; include previous changes

* update layers_cn; add code example to elementwise_mod

* delete recordio_writer_cn; revert index_cn

* update api_cn after review

* fix io_cn.rst

* update layers_cn

* update io_cn

* modify write_docs_cn, write_docs_en, include specifications about python 2.7.15 and creating  virtual env with conda

* gitignore update

* revert .gitignore;  update write_docs

* icafe DLTP-1328, stress  exe.close()

* DLTP-1383 不可迭代更正

* DLTP-1404 修复动态图文档中每段代码的格式和大小都不一样

* DLTP-1390 Pyreader中文显示格式问题

* DLTP-1393 无效链接

* DLTP-1421 paddle.fluid.layers.reduce_max中文翻译有问题

* DyGraph 调整标签结构

* api modification

half modification of fluid/io/layers

* Apply suggestions from code review
Co-Authored-By: Nzy0531 <48094155+zy0531@users.noreply.github.com>

* Update fluid_cn.rst

* 1.3 => develop (4.12)

* Delete InMemoryDataSet and QueueDataSet 

refer to #784

* add pixel shuffle and in_dygraph_mode

* api_trans_0410

* Update io_cn.rst

* Apply suggestions from code review

* fix bugs

* Fix arguments according to 1.3 en + ceil,floor trans +operator trans

* fix LoDTensorArray spell

* 1220 update cnapi

* Apply suggestions from code review
Co-Authored-By: Nhaowang101779990 <31058429+haowang101779990@users.noreply.github.com>

* routine bug fix

* update text info

* fix io_cn all

* 持久性变量=>长期变量

Signed-off-by: Nzhaoyuchen <zhaoyuchen01@baidu.com>

* Update cn api to 1.3 fluid & layers

* Rest to 1.3

* debug

* fix 2 -conv2d

* "锚" ==> anchor(s)