Create README_en.md

Fix the bug in test

fix https://github.com/PaddlePaddle/models/issues/712

Make Transformer adapt to the latest api of ParallelExecutor

Update training & profiling scripts for new config

create  ltr/README_en.md

* Support groups in de-conv and fix bug.

* Clean code.

* Fix model config.

* Some mirror changes in data argumentations.

* Set learning rate by input arguments.

* Add check for model_dir and gitignores

* code clean

* code clean

* Support groups in de-conv and fix bug.

* Clean code.

* Fix model config.

* Support groups in de-conv and fix bug.

* Clean code.

New config

* caffe2fluid: fix bug in transforming Scale layer without bias parameter

* caffe2fluid: fix bug about Scale layer transformation and model saving

* training code of pyramidbox

* Fix code format.

* load pretrained vgg model

* load pretrained vgg model

* delete irrelevant tools

* delete unused lines

* PyramidBox for face detection.

* Update some hyper parameters.

* Update pyramidbox.py

Add Inception_v4 model config in Fluid API

fix based the suggestion of dzhwinter

Add reader, ParallelExecutor and refine for Transformer

support multiple data layer;
fix bug about caffe_pb2;

fix typo in generate_sequence_by_rnn_lm/README.md

* [DQN]source code commit

* Update README.md

* Update README.md

* add mountain-car curve

* Update README.md

* Update README.md

* clean code

* fix code style

* [fix code style]/2

* remove some tensorflow package

* a better way to sample from replay memory

* code style

Add profile in aishell example

remove light_imdb & tiny_imdb