Make join exit non-zero if no nodes were joined
Make join exit non-zero if no nodes were joined

scalp42/consul,tshak/consul,scalp42/consul,sweeneyb/consul,sean-/consul,dankraw/consul,vamage/consul,youhong316/consul,kingland/consul,calgaryscientific/consul,dankraw/consul,tshak/consul,pmalmgren/consul,pmalmgren/consul,vamage/consul,42wim/consul,zeroae/consul,hashicorp/consul,dankraw/consul,vamage/consul,kingland/consul,rhyas/consul,hashicorp/consul,i0rek/consul,sean-/consul,tugbabodrumlu/consul,pmalmgren/consul,sean-/consul,calgaryscientific/consul,pmalmgren/consul,youhong316/consul,tshak/consul,42wim/consul,sweeneyb/consul,i0rek/consul,42wim/consul,kingland/consul,leowmjw/consul,calgaryscientific/consul,i0rek/consul,sean-/consul,calgaryscientific/consul,zeroae/consul,leowmjw/consul,pmalmgren/consul,tugbabodrumlu/consul,42wim/consul,tugbabodrumlu/consul,tugbabodrumlu/consul,vamage/consul,leowmjw/consul,vamage/consul,sweeneyb/consul,zeroae/consul,scalp42/consul,i0rek/consul,zeroae/consul,youhong316/consul,zeroae/consul,hashicorp/consul,kingland/consul,tshak/consul,tugbabodrumlu/consul,rhyas/consul,sweeneyb/consul,calgaryscientific/consul,rhyas/consul,i0rek/consul,leowmjw/consul,scalp42/consul,sweeneyb/consul,scalp42/consul,youhong316/consul,dankraw/consul,rhyas/consul,leowmjw/consul,sean-/consul,rhyas/consul,tshak/consul,youhong316/consul,dankraw/consul,42wim/consul,hashicorp/consul,kingland/consul