update to stable and dev docs

README.md

@@ -2,11 +2,12 @@
 
 [![Build Status](https://travis-ci.org/JuliaPOMDP/POMDPModelTools.jl.svg?branch=master)](https://travis-ci.org/JuliaPOMDP/POMDPModelTools.jl)
 [![Coverage Status](https://coveralls.io/repos/github/JuliaPOMDP/POMDPModelTools.jl/badge.svg?branch=master)](https://coveralls.io/github/JuliaPOMDP/POMDPModelTools.jl?branch=master)
-[![Latest Docs](https://img.shields.io/badge/docs-latest-blue.svg)](https://JuliaPOMDP.github.io/POMDPModelTools.jl/latest)
+[![Stable Docs](https://img.shields.io/badge/docs-stable-blue.svg)](https://JuliaPOMDP.github.io/POMDPModelTools.jl/stable)
+[![Dev Docs](https://img.shields.io/badge/docs-dev-blue.svg)](https://JuliaPOMDP.github.io/POMDPModelTools.jl/dev)
 
 Support tools for writing and working with [POMDPs.jl](github.com/JuliaPOMDP/POMDPs.jl) models and solvers.
 
-Please read the documentation here for a list of tools: [https://JuliaPOMDP.github.io/POMDPModelTools.jl/latest](https://JuliaPOMDP.github.io/POMDPModelTools.jl/latest)
+Please read the documentation here for a list of tools: [https://JuliaPOMDP.github.io/POMDPModelTools.jl/stable](https://JuliaPOMDP.github.io/POMDPModelTools.jl/stable)
 
 ## Installation