Added file explaning what promise is and does.
More information added to make-a-promise.
Manual execution of promise in make-a-promise.
Automated execution of promise added to make-a-promise.
Added doc about the policy server & how to config
Added more info on policy server config
Added bootstrap info to policy server setup
Added alternative policy config to policy server setup
Small edit to policy server how does it work
Merge pull request #361 from KevWright/getting-started-march-14-2014

Getting started march 14 2014