document the new dnsNameServer variable in polipo.texi
document the new dnsNameServer variable in polipo.texi

fqtools/polipo,jech/polipo,dxq-git/polipo,berkley4/polipo,feijilei/polipo,nxtreaming/chumen,feijilei/polipo,galeksandrp/polipo,jech/polipo,galeksandrp/polipo,dxq-git/polipo,dxq-git/polipo,feijilei/polipo,berkley4/polipo,ssb22/polipo2,nxtreaming/chumen,berkley4/polipo,ssb22/polipo2,ssb22/polipo2,galeksandrp/polipo,nxtreaming/chumen,jech/polipo,fqtools/polipo,fqtools/polipo,TierraDelFuego/opilop