Updated make_release script to add flag for controlling whether or not to do PGO build
Updated make_release script to add flag for controlling whether or not to do PGO build

rampage644/impala-cut,lnliuxing/Impala,henryr/Impala,ibmsoe/ImpalaPPC,brightchen/Impala,scalingdata/Impala,lirui-intel/Impala,cloudera/recordservice,gistic/PublicSpatialImpala,bowlofstew/Impala,ImpalaToGo/ImpalaToGo,ibmsoe/ImpalaPPC,placrosse/ImpalaToGo,caseyching/Impala,tempbottle/Impala,gistic/PublicSpatialImpala,XiaominZhang/Impala,rampage644/impala-cut,rampage644/impala-cut,cloudera/recordservice,brightchen/Impala,cgvarela/Impala,placrosse/ImpalaToGo,lnliuxing/Impala,gerashegalov/Impala,rdblue/Impala,XiaominZhang/Impala,lnliuxing/Impala,henryr/Impala,theyaa/Impala,scalingdata/Impala,rampage644/impala-cut,bratatidas9/Impala-1,ImpalaToGo/ImpalaToGo,rampage644/impala-cut,gistic/PublicSpatialImpala,XiaominZhang/Impala,cloudera/recordservice,bratatidas9/Impala-1,rdblue/Impala,gistic/PublicSpatialImpala,bowlofstew/Impala,lirui-intel/Impala,AtScaleInc/Impala,grundprinzip/Impala,cgvarela/Impala,brightchen/Impala,lnliuxing/Impala,bowlofstew/Impala,caseyching/Impala,kapilrastogi/Impala,cchanning/Impala,ImpalaToGo/ImpalaToGo,placrosse/ImpalaToGo,tempbottle/Impala,ibmsoe/ImpalaPPC,caseyching/Impala,rdblue/Impala,caseyching/Impala,gerashegalov/Impala,lirui-intel/Impala,theyaa/Impala,kapilrastogi/Impala,AtScaleInc/Impala,scalingdata/Impala,lirui-intel/Impala,ibmsoe/ImpalaPPC,lnliuxing/Impala,cchanning/Impala,placrosse/ImpalaToGo,kapilrastogi/Impala,brightchen/Impala,bratatidas9/Impala-1,mapr/impala,theyaa/Impala,rdblue/Impala,theyaa/Impala,tempbottle/Impala,gerashegalov/Impala,caseyching/Impala,lnliuxing/Impala,caseyching/Impala,bratatidas9/Impala-1,bowlofstew/Impala,mapr/impala,gerashegalov/Impala,bratatidas9/Impala-1,placrosse/ImpalaToGo,cchanning/Impala,andybab/Impala,henryr/Impala,placrosse/ImpalaToGo,XiaominZhang/Impala,tempbottle/Impala,cloudera/recordservice,kapilrastogi/Impala,cgvarela/Impala,theyaa/Impala,lirui-intel/Impala,AtScaleInc/Impala,cgvarela/Impala,tempbottle/Impala,henryr/Impala,theyaa/Impala,cgvarela/Impala,kapilrastogi/Impala,mapr/impala,henryr/Impala,andybab/Impala,tempbottle/Impala,mapr/impala,AtScaleInc/Impala,brightchen/Impala,bowlofstew/Impala,cgvarela/Impala,cchanning/Impala,scalingdata/Impala,lirui-intel/Impala,caseyching/Impala,cchanning/Impala,theyaa/Impala,scalingdata/Impala,bowlofstew/Impala,rdblue/Impala,cloudera/recordservice,cchanning/Impala,bratatidas9/Impala-1,brightchen/Impala,rdblue/Impala,XiaominZhang/Impala,AtScaleInc/Impala,andybab/Impala,grundprinzip/Impala,lirui-intel/Impala,AtScaleInc/Impala,gerashegalov/Impala,cchanning/Impala,rdblue/Impala,kapilrastogi/Impala,bratatidas9/Impala-1,grundprinzip/Impala,gistic/PublicSpatialImpala,grundprinzip/Impala,XiaominZhang/Impala,scalingdata/Impala,ImpalaToGo/ImpalaToGo,andybab/Impala,cloudera/recordservice,ibmsoe/ImpalaPPC,cgvarela/Impala,ibmsoe/ImpalaPPC,rampage644/impala-cut,ImpalaToGo/ImpalaToGo,andybab/Impala,cloudera/recordservice,henryr/Impala,grundprinzip/Impala,gerashegalov/Impala,kapilrastogi/Impala,gerashegalov/Impala,andybab/Impala,brightchen/Impala,tempbottle/Impala,XiaominZhang/Impala,mapr/impala,bowlofstew/Impala,lnliuxing/Impala,ImpalaToGo/ImpalaToGo,ibmsoe/ImpalaPPC,grundprinzip/Impala,gistic/PublicSpatialImpala