Improved pub/sub example
Improved pub/sub example

This pull request make much more easy copy/paste development.
beni55/redigo,iron-s/redigo,ninjasphere/redigo,stvp/redigo,blackbeans/flume-bridge,kylebrandt/redigo,shosti/redigo,lvtiendev/redigo,Charlesdong/redigo,blackbeans/flume-bridge,nativetouch/redigo,MCProHosting/redigo,outrightmental/go-redigo,garyburd/redigo,brodock/redigo,Wang/redigo,gomodule/redigo,kpumuk/redigo,linkeo/redigo,cloudnautique/redigo,mbrukman/redigo,zhgo/redis