From: @gongdaguo
Reviewed-by: 
Signed-off-by:

From: @dessyang
Reviewed-by: @robingrosman,@c_34
Signed-off-by: @c_34

Removed run_eval_gpu.sh

update ReadMe

fix bug in train.py

fix bug of eval

fix accuracy issue in the new ascend

add teacher_force

add self-defined LSTM

From: @changzherui
Reviewed-by: 
Signed-off-by:

From: @zlq2020
Reviewed-by: @guoqi1024
Signed-off-by: @guoqi1024

From: @cjh9368
Reviewed-by: @zhanghaibo5,@hangangqiang
Signed-off-by: @zhanghaibo5

From: @zhanyuan1
Reviewed-by: @zhanghaibo5,@zhang_xue_tong
Signed-off-by: @zhang_xue_tong

From: @oacjiewen
Reviewed-by: @liangchenghui,@c_34
Signed-off-by: @liangchenghui

From: @zhaozhenlong
Reviewed-by: 
Signed-off-by:

From: @ms_yan
Reviewed-by: 
Signed-off-by:

Add API class for text transforms ops

From: @peilin-wang
Reviewed-by: @robingrosman,@tom__chen
Signed-off-by: @robingrosman

change to test in graph mode

From: @peilin-wang
Reviewed-by: @robingrosman,@tom__chen
Signed-off-by: @robingrosman

From: @TFbunny
Reviewed-by: @robingrosman,@tom__chen
Signed-off-by: @robingrosman

From: @peilin-wang
Reviewed-by: @robingrosman,@tom__chen
Signed-off-by: @robingrosman

From: @c_34
Reviewed-by: @oacjiewen,@liangchenghui
Signed-off-by: @liangchenghui

From: @david-he91
Reviewed-by: 
Signed-off-by:

From: @joylvliang
Reviewed-by: 
Signed-off-by:

From: @ginfung
Reviewed-by: 
Signed-off-by:

From: @chenfei52
Reviewed-by: @ginfung,@zh_qh
Signed-off-by: @zh_qh

From: @wang_shaocong
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhanghaibo5

From: @liangzelang
Reviewed-by: @jjfeing,@zhoufeng54
Signed-off-by: @zhoufeng54

From: @lzkcode
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @yangjie159
Reviewed-by: @wangchengyuan,@HilbertDavid
Signed-off-by: @wangchengyuan

From: @lianliguang
Reviewed-by: @zhoufeng54,@kisnwang,@chujinjin
Signed-off-by: @zhoufeng54

From: @hwhewei
Reviewed-by: @zh_qh,@ginfung
Signed-off-by: @zh_qh

From: @yanglf1121
Reviewed-by: @liangchenghui,@kingxian
Signed-off-by: @liangchenghui,@kingxian

From: @xutianchun
Reviewed-by: @zhanghaibo5
Signed-off-by: @zhanghaibo5

From: @yangruoqi713
Reviewed-by: @zhanghaibo5
Signed-off-by: @zhanghaibo5

From: @luopengting
Reviewed-by: @yelihua,@ouwenchang
Signed-off-by: @ouwenchang

From: @david-he91
Reviewed-by: @liangchenghui,@ljl0711
Signed-off-by: @liangchenghui