Read git sha1 when building Paddle, and add it to PADDLE_VERSION macro
Read git sha1 when building Paddle, and add it to PADDLE_VERSION macro

* save the model file including git sha1
dayhaha/Paddle,luotao1/Paddle,hedaoyuan/Paddle,qingqing01/Paddle,chengduoZH/Paddle,lispc/Paddle,emailweixu/Paddle,wen-bo-yang/Paddle,wen-bo-yang/Paddle,hedaoyuan/Paddle,hedaoyuan/Paddle,pengli09/Paddle,emailweixu/Paddle,pengli09/Paddle,hedaoyuan/Paddle,lcy-seso/Paddle,wen-bo-yang/Paddle,putcn/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,pengli09/Paddle,lcy-seso/Paddle,QiJune/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,cxysteven/Paddle,Canpio/Paddle,lispc/Paddle,zuowang/Paddle,PaddlePaddle/Paddle,baidu/Paddle,cxysteven/Paddle,emailweixu/Paddle,jacquesqiao/Paddle,pengli09/Paddle,chengduoZH/Paddle,livc/Paddle,yu239/Paddle,dayhaha/Paddle,alvations/Paddle,Canpio/Paddle,gangliao/Paddle,pkuyym/Paddle,Canpio/Paddle,yu239/Paddle,emailweixu/Paddle,wen-bo-yang/Paddle,beckett1124/Paddle,dayhaha/Paddle,zuowang/Paddle,putcn/Paddle,tensor-tang/Paddle,QiJune/Paddle,luotao1/Paddle,zhouxiao-coder/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,reyoung/Paddle,helinwang/Paddle,livc/Paddle,luotao1/Paddle,jacquesqiao/Paddle,luotao1/Paddle,dayhaha/Paddle,putcn/Paddle,QiJune/Paddle,livc/Paddle,zhouxiao-coder/Paddle,lcy-seso/Paddle,pkuyym/Paddle,lispc/Paddle,reyoung/Paddle,livc/Paddle,zuowang/Paddle,dayhaha/Paddle,lcy-seso/Paddle,wen-bo-yang/Paddle,beckett1124/Paddle,zhouxiao-coder/Paddle,yu239/Paddle,pengli09/Paddle,yu239/Paddle,alvations/Paddle,gangliao/Paddle,pkuyym/Paddle,hedaoyuan/Paddle,pkuyym/Paddle,chengduoZH/Paddle,PaddlePaddle/Paddle,helinwang/Paddle,gangliao/Paddle,baidu/Paddle,pkuyym/Paddle,wen-bo-yang/Paddle,Canpio/Paddle,Canpio/Paddle,chengduoZH/Paddle,cxysteven/Paddle,gangliao/Paddle,hedaoyuan/Paddle,beckett1124/Paddle,emailweixu/Paddle,beckett1124/Paddle,luotao1/Paddle,pengli09/Paddle,gangliao/Paddle,luotao1/Paddle,cxysteven/Paddle,emailweixu/Paddle,beckett1124/Paddle,zhouxiao-coder/Paddle,pengli09/Paddle,jacquesqiao/Paddle,alvations/Paddle,jacquesqiao/Paddle,reyoung/Paddle,yu239/Paddle,helinwang/Paddle,baidu/Paddle,PaddlePaddle/Paddle,baidu/Paddle,beckett1124/Paddle,pkuyym/Paddle,alvations/Paddle,qingqing01/Paddle,lispc/Paddle,dayhaha/Paddle,gangliao/Paddle,zhouxiao-coder/Paddle,tensor-tang/Paddle,cxysteven/Paddle,qingqing01/Paddle,emailweixu/Paddle,tensor-tang/Paddle,helinwang/Paddle,zuowang/Paddle,tensor-tang/Paddle,livc/Paddle,yu239/Paddle,Canpio/Paddle,lispc/Paddle,chengduoZH/Paddle,pengli09/Paddle,lispc/Paddle,zhouxiao-coder/Paddle,dayhaha/Paddle,yu239/Paddle,gangliao/Paddle,hedaoyuan/Paddle,helinwang/Paddle,wen-bo-yang/Paddle,luotao1/Paddle,qingqing01/Paddle,jacquesqiao/Paddle,livc/Paddle,Canpio/Paddle,hedaoyuan/Paddle,QiJune/Paddle,reyoung/Paddle,zhouxiao-coder/Paddle,beckett1124/Paddle,cxysteven/Paddle,putcn/Paddle,reyoung/Paddle,lispc/Paddle,putcn/Paddle,livc/Paddle,lcy-seso/Paddle,tensor-tang/Paddle,yu239/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,QiJune/Paddle,baidu/Paddle,zuowang/Paddle,cxysteven/Paddle,lispc/Paddle,putcn/Paddle,helinwang/Paddle,alvations/Paddle,qingqing01/Paddle,helinwang/Paddle,Canpio/Paddle