Make bootstrap.sh fail if go is not installed
Make bootstrap.sh fail if go is not installed

anusornc/vitess,AndyDiamondstein/vitess,xgwubin/vitess,applift/vitess,alainjobart/vitess,erzel/vitess,cloudbearings/vitess,anusornc/vitess,netroby/vitess,guokeno0/vitess,yaoshengzhe/vitess,xgwubin/vitess,davygeek/vitess,mahak/vitess,nurblieh/vitess,tjyang/vitess,tjyang/vitess,fengshao0907/vitess,tinyspeck/vitess,kmiku7/vitess-annotated,SDHM/vitess,AndyDiamondstein/vitess,tirsen/vitess,tjyang/vitess,mapbased/vitess,anusornc/vitess,yangzhongj/vitess,ptomasroos/vitess,mahak/vitess,HubSpot/vitess,rnavarro/vitess,mapbased/vitess,dumbunny/vitess,michael-berlin/vitess,SDHM/vitess,skyportsystems/vitess,rnavarro/vitess,netroby/vitess,davygeek/vitess,netroby/vitess,fengshao0907/vitess,rnavarro/vitess,cgvarela/vitess,applift/vitess,yaoshengzhe/vitess,kmiku7/vitess-annotated,SDHM/vitess,sougou/vitess,ptomasroos/vitess,erzel/vitess,mahak/vitess,dumbunny/vitess,guokeno0/vitess,dcadevil/vitess,anusornc/vitess,dcadevil/vitess,applift/vitess,nurblieh/vitess,fengshao0907/vitess,erzel/vitess,mapbased/vitess,cgvarela/vitess,pivanof/vitess,kuipertan/vitess,tjyang/vitess,dcadevil/vitess,anusornc/vitess,SDHM/vitess,dumbunny/vitess,tirsen/vitess,erzel/vitess,michael-berlin/vitess,kmiku7/vitess-annotated,erzel/vitess,tinyspeck/vitess,davygeek/vitess,mlc0202/vitess,guokeno0/vitess,enisoc/vitess,AndyDiamondstein/vitess,AndyDiamondstein/vitess,xgwubin/vitess,netroby/vitess,SDHM/vitess,yangzhongj/vitess,atyenoria/vitess,skyportsystems/vitess,applift/vitess,kmiku7/vitess-annotated,yaoshengzhe/vitess,dcadevil/vitess,vitessio/vitess,michael-berlin/vitess,anusornc/vitess,mlc0202/vitess,dcadevil/vitess,tinyspeck/vitess,mattharden/vitess,atyenoria/vitess,nurblieh/vitess,mapbased/vitess,kmiku7/vitess-annotated,mattharden/vitess,cgvarela/vitess,nurblieh/vitess,HubSpot/vitess,dumbunny/vitess,applift/vitess,tjyang/vitess,atyenoria/vitess,mahak/vitess,davygeek/vitess,AndyDiamondstein/vitess,HubSpot/vitess,sougou/vitess,guokeno0/vitess,sougou/vitess,cloudbearings/vitess,sougou/vitess,yangzhongj/vitess,aaijazi/vitess,mlc0202/vitess,pivanof/vitess,enisoc/vitess,vitessio/vitess,tinyspeck/vitess,vitessio/vitess,xgwubin/vitess,applift/vitess,mapbased/vitess,michael-berlin/vitess,mapbased/vitess,dumbunny/vitess,alainjobart/vitess,HubSpot/vitess,skyportsystems/vitess,HubSpot/vitess,mapbased/vitess,tinyspeck/vitess,kuipertan/vitess,fengshao0907/vitess,tjyang/vitess,guokeno0/vitess,ptomasroos/vitess,AndyDiamondstein/vitess,vitessio/vitess,kuipertan/vitess,mattharden/vitess,yaoshengzhe/vitess,dumbunny/vitess,ptomasroos/vitess,tirsen/vitess,aaijazi/vitess,applift/vitess,mahak/vitess,mlc0202/vitess,xgwubin/vitess,netroby/vitess,aaijazi/vitess,tirsen/vitess,tjyang/vitess,alainjobart/vitess,kmiku7/vitess-annotated,yaoshengzhe/vitess,aaijazi/vitess,erzel/vitess,erzel/vitess,cgvarela/vitess,aaijazi/vitess,tjyang/vitess,enisoc/vitess,fengshao0907/vitess,anusornc/vitess,dumbunny/vitess,applift/vitess,mahak/vitess,pivanof/vitess,mattharden/vitess,sougou/vitess,rnavarro/vitess,cgvarela/vitess,michael-berlin/vitess,tinyspeck/vitess,ptomasroos/vitess,kuipertan/vitess,HubSpot/vitess,rnavarro/vitess,mapbased/vitess,atyenoria/vitess,kuipertan/vitess,cgvarela/vitess,dcadevil/vitess,michael-berlin/vitess,mahak/vitess,nurblieh/vitess,erzel/vitess,skyportsystems/vitess,ptomasroos/vitess,kuipertan/vitess,alainjobart/vitess,mattharden/vitess,netroby/vitess,fengshao0907/vitess,enisoc/vitess,fengshao0907/vitess,cgvarela/vitess,yangzhongj/vitess,ptomasroos/vitess,yangzhongj/vitess,erzel/vitess,pivanof/vitess,cloudbearings/vitess,sougou/vitess,xgwubin/vitess,michael-berlin/vitess,yaoshengzhe/vitess,xgwubin/vitess,mlc0202/vitess,tjyang/vitess,erzel/vitess,anusornc/vitess,alainjobart/vitess,SDHM/vitess,SDHM/vitess,enisoc/vitess,cgvarela/vitess,skyportsystems/vitess,atyenoria/vitess,nurblieh/vitess,davygeek/vitess,xgwubin/vitess,pivanof/vitess,mapbased/vitess,ptomasroos/vitess,rnavarro/vitess,netroby/vitess,dcadevil/vitess,mattharden/vitess,alainjobart/vitess,mahak/vitess,mattharden/vitess,nurblieh/vitess,dumbunny/vitess,nurblieh/vitess,enisoc/vitess,kuipertan/vitess,mattharden/vitess,cloudbearings/vitess,dumbunny/vitess,kmiku7/vitess-annotated,tirsen/vitess,vitessio/vitess,mattharden/vitess,mapbased/vitess,mlc0202/vitess,guokeno0/vitess,fengshao0907/vitess,nurblieh/vitess,guokeno0/vitess,skyportsystems/vitess,ptomasroos/vitess,yaoshengzhe/vitess,yangzhongj/vitess,cloudbearings/vitess,skyportsystems/vitess,vitessio/vitess,atyenoria/vitess,atyenoria/vitess,alainjobart/vitess,netroby/vitess,mlc0202/vitess,mlc0202/vitess,vitessio/vitess,applift/vitess,cloudbearings/vitess,anusornc/vitess,skyportsystems/vitess,yangzhongj/vitess,pivanof/vitess,kmiku7/vitess-annotated,aaijazi/vitess,mattharden/vitess,applift/vitess,michael-berlin/vitess,cgvarela/vitess,rnavarro/vitess,HubSpot/vitess,davygeek/vitess,aaijazi/vitess,netroby/vitess,SDHM/vitess,AndyDiamondstein/vitess,kuipertan/vitess,aaijazi/vitess,yaoshengzhe/vitess,guokeno0/vitess,guokeno0/vitess,yaoshengzhe/vitess,aaijazi/vitess,yangzhongj/v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