Add example for NMT without attention
Add example for NMT without attention

wwhu/models,xinghai-sun/models,zhaopu7/models,lcy-seso/models,Superjom/models-1,qingqing01/models,lcy-seso/models,xinghai-sun/models,Canpio/models,qingqing01/models,kuke/models,PaddlePaddle/models,Superjom/models-1,kuke/models,wwhu/models,Superjom/models-1,kuke/models,Canpio/models,PaddlePaddle/models,xinghai-sun/models,qingqing01/models,xinghai-sun/models,kuke/models,PaddlePaddle/models,zhaopu7/models,Canpio/models,zhaopu7/models,lcy-seso/models