Update README.

README.md

@@ -2,19 +2,18 @@
 
 *Interpolation of scattered data in Julia*
 
-[![](https://img.shields.io/badge/docs-latest-blue.svg)](https://eljungsk.github.io/ScatteredInterpolation.jl/latest)
-[![Build Status](https://travis-ci.org/eljungsk/ScatteredInterpolation.jl.svg?branch=master)](https://travis-ci.org/eljungsk/ScatteredInterpolation.jl)
- [![codecov.io](https://codecov.io/github/eljungsk/ScatteredInterpolation.jl/coverage.svg?branch=master)](https://codecov.io/github/eljungsk/ScatteredInterpolation.jl?branch=master)
+| **Documentation** | **Build & Testing Status** |
+|:-----------------:|:--------------------------:|
+[![](https://img.shields.io/badge/docs-latest-blue.svg)](https://eljungsk.github.io/ScatteredInterpolation.jl/latest) [![](https://img.shields.io/badge/docs-stable-blue.svg)](https://eljungsk.github.io/ScatteredInterpolation.jl/stable) | [![Build Status](https://travis-ci.org/eljungsk/ScatteredInterpolation.jl.svg?branch=master)](https://travis-ci.org/eljungsk/ScatteredInterpolation.jl) [![codecov.io](https://codecov.io/github/eljungsk/ScatteredInterpolation.jl/coverage.svg?branch=master)](https://codecov.io/github/eljungsk/ScatteredInterpolation.jl?branch=master) |
 
 ## Installation
 
-`ScatteredInterpolation.jl` is not yet registered in `METADATA`. To install, run the
-following in the Julia REPL:
+`ScatteredInterpolation.jl` is registered in `METADATA`. To install, run 
 ```
-julia> Pkg.clone("https://github.com/eljungsk/ScatteredInterpolation.jl")
+julia> Pkg.add("ScatteredInterpolation")
 ```
 followed by `using ScatteredInterpolation` to load the package.
 
 ## Documentation
 
-For more information, see the [Documentation](https://eljungsk.github.io/ScatteredInterpolation.jl/latest).
+For more information, see the [Documentation](https://eljungsk.github.io/ScatteredInterpolation.jl/stable).