scripts/build-aci: support BINARYDIR and BUILDDIR
scripts/build-aci: support BINARYDIR and BUILDDIR

This makes it more configurable, and is ready for overall release script.

wantonsolutions/dinv-etcd,asim/etcd,ajityagaty/etcd,StorReduce/etcd,CrazyJvm/etcd,msanterre/etcd,linuxcer/etcd,sinsharat/etcd,hongbinz/etcd,chipironcin/etcd,lorneli/etcd,jchauncey/etcd,gyuho/etcd,xychu/etcd,heyitsanthony/etcd,lorneli/etcd,tguangch/etcd,vimalk78/etcd,sebrandon1/etcd,achanda/etcd,joshix/etcd,insequent/etcd,whuwxl/etcd,hroyrh/etcd,pauldallen/etcd,coreos/etcd,a-robinson/etcd,cchamplin/etcd,wantonsolutions/dinv-etcd,kkaneda/etcd,jlamillan/etcd,beni55/etcd,pauldallen/etcd,combk8s/etcd,a-robinson/etcd,xiang90/etcd,beni55/etcd,msanterre/etcd,endocode/etcd,heyitsanthony/etcd,luxas/etcd,siddontang/etcd,purpleidea/etcd,rchicoli/etcd,glevand/coreos--etcd,fasaxc/etcd,zaphod-concur/etcd,ktateish/etcd,gyuho/etcd,buaazp/etcd,Eagle-X/etcd,TheHippo/etcd,yichengq/etcd,gouyang/etcd,hongchaodeng/etcd,shawnps/etcd,joshix/etcd,mqliang/etcd,jchauncey/etcd,buaazp/etcd,xdlinear/etcd,YuleiXiao/etcd,hongchaodeng/etcd,cchamplin/etcd,plasticbox/etcd,visheshnp/etcd,shawnps/etcd,asim/etcd,bluebreezecf/etcd,swingbach/etcd,bdarnell/etcd,jeremyeder/etcd,ajityagaty/etcd,Winslett/etcd,OyTao/etcd_learning,dnaeon/etcd,li-ang/etcd,achanda/etcd,wowsoso/etcd,visheshnp/etcd,improbable-io/etcd,nekto0n/etcd,vimalk78/etcd,whuwxl/etcd,raoofm/etcd,Timer/etcd,TheHippo/etcd,combk8s/etcd,rnaveiras/etcd,fanminshi/etcd,jlamillan/etcd,fanminshi/etcd,armstrongli/etcd,xiang90/etcd,swingbach/etcd,xdlinear/etcd,gae123/etcd,oscarrr110/etcd,iamqizhao/etcd,yichengq/etcd,lumjjb/etcd,HideoYamauchi/etcd,fgbreel/etcd,fasaxc/etcd,sinsharat/etcd,rnaveiras/etcd,rchicoli/etcd,delkyd/etcd,linuxcer/etcd,mkumatag/etcd,glycerine/etcd,onlyjob/etcd,endocode/etcd,mike-lerch/etcd,fgbreel/etcd,wowsoso/etcd,dannysauer/etcd,giantswarm/etcd,yudai/etcd,cockroachdb/etcd,mike-lerch/etcd,sebrandon1/etcd,oscarrr110/etcd,giantswarm/etcd,zaphod-concur/etcd,bluebreezecf/etcd,glycerine/etcd,handsomesun/etcd,ktateish/etcd,yudai/etcd,CrazyJvm/etcd,etcd-io/etcd,tguangch/etcd,sofuture/etcd,westhood/etcd,sofuture/etcd,jonboulle/etcd,etcd-io/etcd,Winslett/etcd,improbable-io/etcd,gouyang/etcd,glevand/coreos--etcd,hongbinz/etcd,fasaxc/etcd,akauppi/etcd,HideoYamauchi/etcd,handsomesun/etcd,wantonsolutions/dinv-etcd,Timer/etcd,raoofm/etcd,jeremyeder/etcd,gae123/etcd,ravigadde/etcd,qqsun8819/etcd,ravigadde/etcd,tamird/etcd,Eagle-X/etcd,mickep76/etcd,purpleidea/etcd,mkumatag/etcd,chipironcin/etcd,delkyd/etcd,akauppi/etcd,dnaeon/etcd,luxas/etcd,StorReduce/etcd,hroyrh/etcd,lumjjb/etcd,li-ang/etcd,armstrongli/etcd,siddontang/etcd,sayden/etcd,jonboulle/etcd,plasticbox/etcd,kkaneda/etcd,insequent/etcd,dannysauer/etcd,mickep76/etcd,tamird/etcd,etcd-io/etcd,rnaveiras/etcd,iamqizhao/etcd,cockroachdb/etcd,coreos/etcd,sayden/etcd,bdarnell/etcd,onlyjob/etcd,ajityagaty/etcd,nekto0n/etcd,xychu/etcd,qqsun8819/etcd,mqliang/etcd,YuleiXiao/etcd,mkumatag/etcd,westhood/etcd,OyTao/etcd_learning,mqliang/etcd