build: fix variable /tmp
build: fix variable /tmp

used only once, so make hard-coded
as in comment

numenta-ci/nupic,go-bears/nupic,GeraldLoeffler/nupic,jcasner/nupic,darshanthaker/nupic,marionleborgne/nupic,darshanthaker/nupic,rayNymous/nupic,lscheinkman/nupic,arhik/nupic,sambitgaan/nupic,breznak/nupic,cngo-github/nupic,metaml/nupic,glorizen/nupic,ywcui1990/nupic,badlogicmanpreet/nupic,loretoparisi/nupic,neuroidss/nupic,scottpurdy/nupic,blueburningcoder/nupic,fergalbyrne/nupic,BeiLuoShiMen/nupic,EricSB/nupic,loretoparisi/nupic,chanceraine/nupic,akhilaananthram/nupic,rcrowder/nupic,marionleborgne/nupic,SaganBolliger/nupic,vamsirajendra/nupic,chanceraine/nupic,numenta/nupic,akhilaananthram/nupic,subutai/nupic,numenta-ci/nupic,rhyolight/nupic,SaganBolliger/nupic,pulinagrawal/nupic,vitaly-krugl/nupic,mcanthony/nupic,cogmission/nupic,allanino/nupic,GeraldLoeffler/nupic,eranchetz/nupic,vamsirajendra/nupic,BoltzmannBrain/nupic,rhyolight/nupic,jcasner/nupic,vitaly-krugl/nupic,pap/nupic,runt18/nupic,runt18/nupic,badlogicmanpreet/nupic,glorizen/nupic,neuroidss/nupic,mcanthony/nupic,markneville/nupic,SaganBolliger/nupic,runt18/nupic,markneville/nupic,wanghaven/nupic,brev/nupic,akhilaananthram/nupic,alfonsokim/nupic,badlogicmanpreet/nupic,scottpurdy/nupic,fergalbyrne/nupic,chen0031/nupic,blueburningcoder/nupic,virneo/nupic,wanghaven/nupic,arhik/nupic,ywcui1990/nupic,chen0031/nupic,vitaly-krugl/nupic,lscheinkman/nupic,darshanthaker/nupic,metaml/nupic,metaml/nupic,rcrowder/nupic,glorizen/nupic,pap/nupic,jcasner/nupic,breznak/nupic,allanino/nupic,rhyolight/nupic,subutai/nupic,ben-hopps/nupic,loretoparisi/nupic,sambitgaan/nupic,chen0031/nupic,passiweinberger/nupic,cngo-github/nupic,passiweinberger/nupic,pulinagrawal/nupic,brev/nupic,scottpurdy/nupic,EricSB/nupic,neuroidss/nupic,eranchetz/nupic,alfonsokim/nupic,numenta/nupic,marionleborgne/nupic,wanghaven/nupic,markneville/nupic,mcanthony/nupic,ben-hopps/nupic,BoltzmannBrain/nupic,alfonsokim/nupic,pap/nupic,EricSB/nupic,subutai/nupic,sambitgaan/nupic,rayNymous/nupic,cngo-github/nupic,ywcui1990/nupic,ben-hopps/nupic,elkingtonmcb/nupic,virneo/nupic,fergalbyrne/nupic,cogmission/nupic,allanino/nupic,rayNymous/nupic,pulinagrawal/nupic,cogmission/nupic,brev/nupic,numenta/nupic,BeiLuoShiMen/nupic,BoltzmannBrain/nupic,arhik/nupic,rcrowder/nupic,passiweinberger/nupic,numenta-ci/nupic,breznak/nupic,eranchetz/nupic,elkingtonmcb/nupic,lscheinkman/nupic,GeraldLoeffler/nupic,blueburningcoder/nupic,BeiLuoShiMen/nupic,virneo/nupic,vamsirajendra/nupic,chanceraine/nupic,go-bears/nupic,go-bears/nupic,elkingtonmcb/nupic