Add summary to the console output at the end of build.cmd.
Add summary to the console output at the end of build.cmd.

Since we are running msbuild with minimal verbosity there is not
summary output to the console at the end. This change pulls the
summary output from the log file and displays it. Something like:

    0 Warning(s)
    0 Error(s)
Time Elapsed 00:02:02.23

rjxby/corefx,the-dwyer/corefx,jcme/corefx,scott156/corefx,FiveTimesTheFun/corefx,kkurni/corefx,benpye/corefx,krytarowski/corefx,rjxby/corefx,kyulee1/corefx,EverlessDrop41/corefx,Chrisboh/corefx,parjong/corefx,MaggieTsang/corefx,krk/corefx,mokchhya/corefx,pgavlin/corefx,benjamin-bader/corefx,axelheer/corefx,JosephTremoulet/corefx,gabrielPeart/corefx,alexperovich/corefx,alphonsekurian/corefx,zhangwenquan/corefx,SGuyGe/corefx,krk/corefx,rjxby/corefx,weltkante/corefx,kyulee1/corefx,dsplaisted/corefx,Jiayili1/corefx,billwert/corefx,alphonsekurian/corefx,benpye/corefx,twsouthwick/corefx,DnlHarvey/corefx,YoupHulsebos/corefx,CherryCxldn/corefx,shahid-pk/corefx,Yanjing123/corefx,billwert/corefx,zmaruo/corefx,fgreinacher/corefx,fffej/corefx,Yanjing123/corefx,bpschoch/corefx,n1ghtmare/corefx,pgavlin/corefx,mmitche/corefx,anjumrizwi/corefx,jhendrixMSFT/corefx,larsbj1988/corefx,tijoytom/corefx,stephenmichaelf/corefx,dhoehna/corefx,cydhaselton/corefx,marksmeltzer/corefx,vrassouli/corefx,ravimeda/corefx,zhangwenquan/corefx,weltkante/corefx,tstringer/corefx,iamjasonp/corefx,pallavit/corefx,shana/corefx,Chrisboh/corefx,SGuyGe/corefx,Chrisboh/corefx,zhenlan/corefx,oceanho/corefx,scott156/corefx,YoupHulsebos/corefx,shahid-pk/corefx,shimingsg/corefx,shmao/corefx,MaggieTsang/corefx,rjxby/corefx,adamralph/corefx,wtgodbe/corefx,elijah6/corefx,zhangwenquan/corefx,zhenlan/corefx,alexperovich/corefx,alexperovich/corefx,khdang/corefx,vrassouli/corefx,s0ne0me/corefx,MaggieTsang/corefx,krytarowski/corefx,nchikanov/corefx,krk/corefx,yizhang82/corefx,dotnet-bot/corefx,Winsto/corefx,gkhanna79/corefx,CloudLens/corefx,kyulee1/corefx,Chrisboh/corefx,mazong1123/corefx,mazong1123/corefx,seanshpark/corefx,shana/corefx,MaggieTsang/corefx,PatrickMcDonald/corefx,rjxby/corefx,stone-li/corefx,dhoehna/corefx,popolan1986/corefx,cydhaselton/corefx,gabrielPeart/corefx,Ermiar/corefx,rahku/corefx,matthubin/corefx,chenxizhang/corefx,dsplaisted/corefx,rjxby/corefx,Jiayili1/corefx,nbarbettini/corefx,ptoonen/corefx,alexperovich/corefx,ViktorHofer/corefx,nbarbettini/corefx,josguil/corefx,chenxizhang/corefx,PatrickMcDonald/corefx,ericstj/corefx,mokchhya/corefx,Jiayili1/corefx,VPashkov/corefx,YoupHulsebos/corefx,bpschoch/corefx,huanjie/corefx,Ermiar/corefx,richlander/corefx,destinyclown/corefx,andyhebear/corefx,dhoehna/corefx,ptoonen/corefx,dotnet-bot/corefx,elijah6/corefx,shiftkey-tester/corefx,benjamin-bader/corefx,Alcaro/corefx,krk/corefx,stone-li/corefx,popolan1986/corefx,rajansingh10/corefx,lggomez/corefx,parjong/corefx,ericstj/corefx,claudelee/corefx,richlander/corefx,vs-team/corefx,benpye/corefx,nchikanov/corefx,wtgodbe/corefx,axelheer/corefx,kkurni/corefx,cydhaselton/corefx,rubo/corefx,cartermp/corefx,Petermarcu/corefx,pallavit/corefx,josguil/corefx,stone-li/corefx,Priya91/corefx-1,CloudLens/corefx,jlin177/corefx,gabrielPeart/corefx,rahku/corefx,Frank125/corefx,brett25/corefx,benpye/corefx,Frank125/corefx,jcme/corefx,xuweixuwei/corefx,jmhardison/corefx,ViktorHofer/corefx,gregg-miskelly/corefx,rahku/corefx,dtrebbien/corefx,billwert/corefx,gkhanna79/corefx,weltkante/corefx,shimingsg/corefx,chenxizhang/corefx,manu-silicon/corefx,cnbin/corefx,n1ghtmare/corefx,dtrebbien/corefx,n1ghtmare/corefx,JosephTremoulet/corefx,scott156/corefx,richlander/corefx,vidhya-bv/corefx-sorting,ellismg/corefx,shimingsg/corefx,shiftkey-tester/corefx,ericstj/corefx,vidhya-bv/corefx-sorting,yizhang82/corefx,dotnet-bot/corefx,ptoonen/corefx,marksmeltzer/corefx,alexandrnikitin/corefx,elijah6/corefx,cartermp/corefx,yizhang82/corefx,KrisLee/corefx,rajansingh10/corefx,dhoehna/corefx,lggomez/corefx,stephenmichaelf/corefx,YoupHulsebos/corefx,SGuyGe/corefx,heXelium/corefx,manu-silicon/corefx,stormleoxia/corefx,the-dwyer/corefx,rajansingh10/corefx,Winsto/corefx,viniciustaveira/corefx,parjong/corefx,viniciustaveira/corefx,shmao/corefx,mmitche/corefx,iamjasonp/corefx,marksmeltzer/corefx,cnbin/corefx,JosephTremoulet/corefx,mafiya69/corefx,alexandrnikitin/corefx,matthubin/corefx,janhenke/corefx,khdang/corefx,ViktorHofer/corefx,gkhanna79/corefx,stormleoxia/corefx,khdang/corefx,alphonsekurian/corefx,vijaykota/corefx,dkorolev/corefx,690486439/corefx,Petermarcu/corefx,seanshpark/corefx,ptoonen/corefx,zhenlan/corefx,zhenlan/corefx,brett25/corefx,690486439/corefx,scott156/corefx,huanjie/corefx,shmao/corefx,jlin177/corefx,ravimeda/corefx,ellismg/corefx,ericstj/corefx,twsouthwick/corefx,nelsonsar/corefx,khdang/corefx,kyulee1/corefx,mazong1123/corefx,jhendrixMSFT/corefx,jhendrixMSFT/corefx,kkurni/corefx,akivafr123/corefx,oceanho/corefx,Jiayili1/corefx,alexperovich/corefx,vrassouli/corefx,viniciustaveira/corefx,the-dwyer/corefx,erpframework/corefx,chenkennt/corefx,dotnet-bot/corefx,the-dwyer/corefx,dotnet-bot/corefx,JosephTremoulet/corefx,SGuyGe/corefx,ViktorHofer/corefx,uhaciogullari/corefx,dotnet-bot/corefx,claudelee/corefx,seanshpark/corefx,alexandrnikitin/corefx,ellismg/corefx,pallavit/corefx,cydhaselton/corefx,shrutigarg/corefx,nbarbettini/corefx,mmitche/corefx,akivafr123/corefx,shana/corefx,weltkante/corefx,stephenmichaelf/corefx,KrisLee/corefx,bitcrazed/corefx,yizhang82/corefx,akivafr123/corefx,mokchhya/corefx,weltkante/corefx,marksmeltzer/corefx,parjong/corefx,shahid-pk/corefx,chaitrakeshav/corefx,jlin177/corefx,tstringer/corefx,stephenmichaelf/corefx,comdiv/corefx,iamjasonp/corefx,bpschoch/corefx,the-dwyer/corefx,erpframework/corefx,lggomez/corefx,parjong/corefx,shrutigarg/corefx,janhenke/corefx,n1ghtmare/corefx,MaggieTsang/corefx,marksmeltzer/corefx,manu-silicon/corefx,mafiya69/corefx,FiveTimesTheFun/corefx,DnlHarvey/corefx,billwert/corefx,jcme/corefx,jhendrixMSFT/corefx,fffej/corefx,shmao/corefx,josguil/corefx,marksmeltzer/corefx,akivafr123/corefx,BrennanConroy/corefx,brett25/corefx,vidhya-bv/corefx-sorting,benpye/corefx,cartermp/corefx,YoupHulsebos/corefx,josguil/corefx,zhenlan/corefx,erpframework/corefx,shahid-pk/corefx,seanshpark/corefx,thiagodin/corefx,thiagodin/corefx,arronei/corefx,bitcrazed/corefx,seanshpark/corefx,zmaruo/corefx,alphonsekurian/corefx,vs-team/corefx,billwert/corefx,alexperovich/corefx,nchikanov/corefx,claudelee/corefx,tstringer/corefx,nbarbettini/corefx,rahku/corefx,manu-silicon/corefx,PatrickMcDonald/corefx,janhenke/corefx,fffej/corefx,shahid-pk/corefx,ptoonen/corefx,gkhanna79/corefx,iamjasonp/corefx,spoiledsport/corefx,wtgodbe/corefx,zhenlan/corefx,viniciustaveira/corefx,khdang/corefx,s0ne0me/corefx,seanshpark/corefx,the-dwyer/corefx,benpye/corefx,lggomez/corefx,rajansingh10/corefx,stone-li/corefx,krk/corefx,SGuyGe/corefx,Ermiar/corefx,chenkennt/corefx,mazong1123/corefx,dhoehna/corefx,pgavlin/corefx,iamjasonp/corefx,mokchhya/corefx,erpframework/corefx,misterzik/corefx,690486439/corefx,tijoytom/corefx,s0ne0me/corefx,vs-team/corefx,stormleoxia/corefx,larsbj1988/corefx,rahku/corefx,nchikanov/corefx,PatrickMcDonald/corefx,zmaruo/corefx,mellinoe/corefx,Yanjing123/corefx,Priya91/corefx-1,jcme/corefx,andyhebear/corefx,twsouthwick/corefx,dtrebbien/corefx,pgavlin/corefx,pallavit/corefx,parjong/corefx,FiveTimesTheFun/corefx,gregg-miskelly/corefx,destinyclown/corefx,mmitche/corefx,thiagodin/corefx,krytarowski/corefx,fernando-rodriguez/corefx,alphonsekurian/corefx,rjxby/corefx,Priya91/corefx-1,DnlHarvey/corefx,nchikanov/corefx,yizhang82/corefx,chaitrakeshav/corefx,wtgodbe/corefx,DnlHarvey/corefx,mellinoe/corefx,brett25/corefx,wtgodbe/corefx,CherryCxldn/corefx,zhenlan/corefx,dhoehna/corefx,chaitrakeshav/corefx,twsouthwick/corefx,YoupHulsebos/corefx,Jiayili1/corefx,parjong/corefx,josguil/corefx,PatrickMcDonald/corefx,janhenke/corefx,krytarowski/corefx,Ermiar/corefx,lydonchandra/corefx,jeremymeng/corefx,tijoytom/corefx,n1ghtmare/corefx,ericstj/corefx,ellismg/corefx,vrassouli/corefx,VPashkov/corefx,Yanjing123/corefx,stone-li/corefx,BrennanConroy/corefx,zhangwenquan/corefx,jeremymeng/corefx,lggomez/corefx,dkorolev/corefx,jlin177/corefx,ptoonen/corefx,nbarbettini/corefx,zmaruo/corefx,billwert/corefx,vijaykota/corefx,VPashkov/corefx,bitcrazed/corefx,alphonsekurian/corefx,lydonchandra/corefx,dsplaisted/corefx,cydhaselton/corefx,jmhardison/corefx,bpschoch/corefx,rahku/corefx,MaggieTsang/corefx,Alcaro/corefx,rubo/corefx,ericstj/corefx,ravimeda/corefx,mazong1123/corefx,benjamin-bader/corefx,mmitche/corefx,pallavit/corefx,tstringer/corefx,huanjie/corefx,shana/corefx,ViktorHofer/corefx,ravimeda/corefx,gkhanna79/corefx,mmitche/corefx,shimingsg/corefx,ptoonen/corefx,axelheer/corefx,nelsonsar/corefx,mellinoe/corefx,Jiayili1/corefx,Priya91/corefx-1,mokchhya/corefx,EverlessDrop41/corefx,dotnet-bot/corefx,axelheer/corefx,elijah6/corefx,gkhanna79/corefx,dtrebbien/corefx,KrisLee/corefx,anjumrizwi/corefx,andyhebear/corefx,benjamin-bader/corefx,alexperovich/corefx,jlin177/corefx,ravimeda/corefx,spoiledsport/corefx,lydonchandra/corefx,shmao/corefx,cnbin/corefx,huanjie/corefx,VPashkov/corefx,dhoehna/corefx,BrennanConroy/corefx,s0ne0me/corefx,arronei/corefx,manu-silicon/corefx,elijah6/corefx,kkurni/corefx,JosephTremoulet/corefx,bitcrazed/corefx,dkorolev/corefx,MaggieTsang/corefx,DnlHarvey/corefx,thiagodin/corefx,SGuyGe/corefx,larsbj1988/corefx,tijoytom/corefx,dkorolev/corefx,Frank125/corefx,Winsto/corefx,mafiya69/corefx,ellismg/corefx,jhendrixMSFT/corefx,heXelium/corefx,Petermarcu/corefx,marksmeltzer/corefx,jeremymeng/corefx,benjamin-bader/corefx,shrutigarg/corefx,vidhya-bv/corefx-sorting,nchikanov/corefx,janhenke/corefx,Petermarcu/corefx,690486439/corefx,uhaciogullari/corefx,twsouthwick/corefx,anjumrizwi/corefx,tijoytom/corefx,tijoytom/corefx,nbarbettini/corefx,twsouthwick/corefx,richlander/corefx,janhenke/corefx,xuweixuwei/corefx,Ermiar/corefx,shahid-pk/corefx,stone-li/corefx,krytarowski/corefx,shimingsg/corefx,jmhardison/corefx,josguil/corefx,gkhanna79/corefx,krytarowski/corefx,the-dwyer/corefx,lydonchandra/corefx,stephenmichaelf/corefx,cydhaselton/corefx,richlander/corefx,KrisLee/corefx,andyhebear/corefx,cartermp/corefx,vs-team/corefx,JosephTremoulet/corefx,Petermarcu/corefx,khdang/corefx,oceanho/corefx,matthubin/corefx,kkurni/corefx,axelheer/corefx,richlander/corefx,jhendrixMSFT/corefx,krk/corefx,stephenmichaelf/corefx,elijah6/corefx,krytarowski/corefx,pallavit/corefx,krk/corefx,mafiya69/corefx,gregg-miskelly/corefx,Yanjing123/corefx,jlin177/corefx,lggomez/corefx,xuweixuwei/corefx,heXelium/corefx,vidhya-bv/corefx-sorting,fffej/corefx,690486439/corefx,rahku/corefx,fgreinacher/corefx,tstringer/corefx,stormleoxia/corefx,mellinoe/corefx,Petermarcu/corefx,weltkante/corefx,ViktorHofer/corefx,mmitche/corefx,Ermiar/corefx,comdiv/corefx,cydhaselton/corefx,richlander/corefx,ericstj/corefx,jeremymeng/corefx,cnbin/corefx,Priya91/corefx-1,CherryCxldn/corefx,uhaciogullari/corefx,lggomez/corefx,ViktorHofer/corefx,Chrisboh/corefx,mellinoe/corefx,adamralph/corefx,axelheer/corefx,nbarbettini/corefx,fgreinacher/corefx,CloudLens/corefx,rubo/corefx,Petermarcu/corefx,wtgodbe/corefx,JosephTremoulet/corefx,weltkante/corefx,shmao/corefx,wtgodbe/corefx,spoiledsport/corefx,gregg-miskelly/corefx,Priya91/corefx-1,claudelee/corefx,ellismg/corefx,mafiya69/corefx,fernando-rodriguez/corefx,fernando-rodriguez/corefx,alphonsekurian/corefx,larsbj1988/corefx,CherryCxldn/corefx,stephenmichaelf/corefx,manu-silicon/corefx,rubo/corefx,comdiv/corefx,shimingsg/corefx,vijaykota/corefx,stone-li/corefx,iamjasonp/corefx,gabrielPeart/corefx,akivafr123/corefx,iamjasonp/corefx,Alcaro/corefx,jmhardison/corefx,chaitrakeshav/corefx,nelsonsar/corefx,shimingsg/corefx,DnlHarvey/corefx,twsouthwick/corefx,mafiya69/corefx,adamralph/corefx,alexandrnikitin/corefx,shiftkey-tester/corefx,rubo/corefx,shmao/corefx,manu-silicon/corefx,misterzik/corefx,ravimeda/corefx,cartermp/corefx,uhaciogullari/corefx,Jiayili1/corefx,benjamin-bader/corefx,mazong1123/corefx,shrutigarg/corefx,billwert/corefx,jhendrixMSFT/corefx,tstringer/corefx,matthubin/corefx,yizhang82/corefx,fgreinacher/corefx,EverlessDrop41/corefx,misterzik/corefx,Ermiar/corefx,kkurni/corefx,popolan1986/corefx,seanshpark/corefx,ravimeda/corefx,alexandrnikitin/corefx,comdiv/corefx,tijoytom/corefx,CloudLens/corefx,YoupHulsebos/corefx,nelsonsar/corefx,jcme/corefx,chenkennt/corefx,yizhang82/corefx,bitcrazed/corefx,Alcaro/corefx,anjumrizwi/corefx,mokchhya/corefx,elijah6/corefx,cartermp/corefx,heXelium/corefx,shiftkey-tester/corefx,Frank125/corefx,arronei/corefx,oceanho/corefx,DnlHarvey/corefx,Chrisboh/corefx,jcme/corefx,mazong1123/corefx,jeremymeng/corefx,destinyclown/corefx,mellinoe/corefx,jlin177/corefx,nchikanov/corefx