Update Readme

Update README.md added missing yum install package

Python command to normalize the data have some typo errors.

Update README.md added missing yum install package `python-devel` which is required by python package `resampy`.

change the default configuration in infer.py and test.py

Change StaticRNN to fluid.layers.rnn

update README

upadte README.md and README_cn.md

Update deepspeech to fluid api

Update master

Update README_cn.md

Update README.md

Update the urls in download scripts

Update lm & acoustic models' link

fix README_cn.md

* add README_cn.md

* update fix

* delete url

Fix the issues link in README

Cleanup worker processes every epoch end.

Fix invlid download url.