* add grad clip to pretrain, modify glue readme and improve glue score print

* add ernie-2.0 in run_glue.py and readme

fix url bug for word2vec

* add data.md

* backup code

* Add example for APIs.

* add readme.

* code backup.

* Modify the data.md

* fixed bug.

* Optimize the data.md

modify ernie_gen README (#5090)

* fix bleu bug

* fix bleu bug

* fix doc example

* minor fix

* fix squad dataset bug

* fix readme

* Add dependency to readme

* minor fix

* change run parameter

* add the benchmark glue for some task

* fix the qnil result for the bert benchmark

* change the from the logger to framework logger

* update __init__

* update seq2seq example, using bleu

* remove target file arg

* update readme

* update __init__

* update vae readme

fix bugs;add more baidu embedding name

* fix bleu bug

* fix bleu bug

* fix doc example

* minor fix

* fix squad dataset bug

* fix readme

* fix init

* update

* update name

* fix delimiter

* delete the images.

* delete the images.

* test

* test

* test

* test

* test

* test

* test

* test

* test

* test

* test

* test

* test

* test

* add imgs.

* fix bleu bug

* update codes

* update codes

* update codes

* update __init__

* update couplet api usage, delete useless import

* update seq2seq readme

* update seq2seq readme path

* update readme

* update test=develop

* fix readme

* fix init

* update

* add ofa for bert

* update

* update

* update

* update readme

* update

* update

* update

* update lrscheduler

* minor fix

* add pre-commit

* minor fix

* Add __len__ to squad dataset

* minor fix

* Add dureader robust prototype

* dataset implement

* minor fix

* fix var name

* add dureader-yesno train script and dataset

* add readme and fix md5sum

* integrete dureader datasets

* change var names: segment to mode, root to data_file

* minor fix

* update var name

* Fix api bugs

* add dataset readme

* add express ner

* update readme format

* fix format bug

* change readme path

* fix format bug

* fix dataset bug

* add 2 datasets and update squad metric

* update readme result

* Add the copyright for the word-embedding

* add the the link for the chinese word embedding

* update lrscheduler

* minor fix

* add pre-commit

* minor fix

* Add __len__ to squad dataset

* minor fix

* Add dureader robust prototype

* dataset implement

* minor fix

* fix var name

* add dureader-yesno train script and dataset

* add readme and fix md5sum

* integrete dureader datasets

* change var names: segment to mode, root to data_file

* minor fix

* update var name

* Fix api bugs

* add dataset readme

* add express ner

* update readme format

* fix format bug

* change readme path

* fix format bug

* fix dataset bug

* add 2 datasets and update squad metric

* add ernie_gen

* optimize ernie_gen

* optimize ernie_gen

* optimize ernie_gen code

* fix crf bug

* add ernie_gen __init__.py

* modify nlp version

* fix ernie_gen predict

* optimize doc

* add ernie_gen

* optimize ernie_gen

* optimize ernie_gen

* optimize ernie_gen code

* fix crf bug

* add ernie_gen __init__.py

* modify nlp version

* fix ernie_gen predict

* The first version of plato2. Not finished the network.

* Update decode stratage.

* Update decode stratage.

* Completed the encoder and decoder. But it will oom.

* Completed the encoder and decoder.

* backend the code.

* Only completed the network of plato2 and nsp.

* Completed the development. But the effect has not be verified.

* Add readme and remove the code about deal PY2 and PY3.

* Modify comment.

* Modify readme and add images.

* Delete the data folder.

update docs for ernie-tiny