added coverage stats badge to readme

README.md

@@ -1,7 +1,7 @@
 
 Subsampling Persistence Diagrams Project
 ========================================
-[![Build Status](https://travis-ci.org/shaunharker/subsample.svg?branch=master)](https://travis-ci.org/shaunharker/subsample)
+[![Build Status](https://travis-ci.org/shaunharker/subsample.svg?branch=master)](https://travis-ci.org/shaunharker/subsample) [![Coverage Status](https://coveralls.io/repos/shaunharker/subsample/badge.svg?branch=master)](https://coveralls.io/r/shaunharker/subsample?branch=master)
 
 This software package includes tools used to find
 delta-sparse, delta-dense subsamples of point clouds.
@@ -10,5 +10,7 @@ environments. In particular we focus on the special case
 where the points of the point clouds correspond to 
 Persistence Diagrams (or tuples thereof).
 
+See the webpage at http://shaunharker.github.io/subsample.
+
 Shaun Harker
 2015-06-29