add optional tls for server connections
add optional tls for server connections

jmptrader/doozerd,zyxar/doozerd,soundcloud/doozerd,jmptrader/doozerd,magastzheng/doozerd,soundcloud/doozerd,coreos/doozerd,bitly/doozerd,npchp110/doozerd,ha/doozerd,npchp110/doozerd,jmptrader/doozerd,tempbottle/doozerd,rowhit/doozerd,zyxar/doozerd,ha/doozerd,ylong/doozerd,magastzheng/doozerd,magastzheng/doozerd,ha/doozerd,coreos/doozerd,zyxar/doozerd,bitly/doozerd,magastzheng/doozerd,ylong/doozerd,soundcloud/doozerd,npchp110/doozerd,npchp110/doozerd,rowhit/doozerd,jmptrader/doozerd,tempbottle/doozerd,bitly/doozerd,rowhit/doozerd,coreos/doozerd,rowhit/doozerd,soundcloud/doozerd,ylong/doozerd,zyxar/doozerd,tempbottle/doozerd,ylong/doozerd,tempbottle/doozerd