Improved API docs, trimmed unused code in R.App.js, R.Flux.js
Added R.Store.createHTTPStore (and improved API.md)
Fixed some inconsistencies in R.Store and improved API.
Improved API.md. Fixed inconsistencies in R.Router, R.Localize, R.SimpleUplinkServer. Implemented features in R.Window.
Bumped to v0.1.3