updating readme now ZeroMQ is history :(

ditching ZeroMQ in favour of Redis Pub / Sub

small improvements to goursome logging to stderr

updating readme instructions

updating readme

decoupling goursome output from http server instance via gratuitous use of ZeroMQ

slightly better namespace explanation

adding --key option to gource command

brief acknowledgement of namespace ropiness

improved setup instructions

adding license information and explanation of realtime to readme

adding limitations section to readme

adding sample post commit hook

adding how it works and use cases sections to readme

adding example post-receive hook