parameterize test/gce.sh so scope can override TEMPLATE_NAME and NUM_HOSTS
parameterize test/gce.sh so scope can override TEMPLATE_NAME and NUM_HOSTS

aaam/weave,rade/weave,bboreham/weave,narry/weave,cgvarela/weave,tomwilkie/weave,n054/weave,paulbellamy/weave,awanke/weave,squaremo/weave,BWITS/weave,awh/weave,dpw/weave,awh/weave,squaremo/weave,cgvarela/weave,paulbellamy/weave,narry/weave,awanke/weave,tomwilkie/weave,weaveworks/weave,weaveworks/weave,paladin74/weave,aaam/weave,beni55/weave,awh/weave,philipz/weave,kidaa/weave,squaremo/weave,achanda/weave,aaam/weave,beni55/weave,paladin74/weave,awanke/weave,paladin74/weave,achanda/weave,squaremo/weave,n054/weave,cgvarela/weave,bboreham/weave,rade/weave,paladin74/weave,paulbellamy/weave,aaam/weave,aaam/weave,kidaa/weave,squaremo/weave,tomwilkie/weave,paulbellamy/weave,BWITS/weave,awh/weave,n054/weave,rade/weave,achanda/weave,narry/weave,bboreham/weave,BWITS/weave,BWITS/weave,beni55/weave,narry/weave,cgvarela/weave,n054/weave,kidaa/weave,tomwilkie/weave,philipz/weave,BWITS/weave,kidaa/weave,philipz/weave,philipz/weave,beni55/weave,n054/weave,narry/weave,paladin74/weave,achanda/weave,dpw/weave,awh/weave,awanke/weave,beni55/weave,cgvarela/weave,awanke/weave,rade/weave,achanda/weave,weaveworks/weave,dpw/weave,dpw/weave,tomwilkie/weave,kidaa/weave,bboreham/weave,weaveworks/weave,bboreham/weave,philipz/weave,dpw/weave,rade/weave