Replaced whitespace with %20 (#2170)

Author: durack1

README.md

@@ -1,8 +1,8 @@
 uvcdat
 ======
 [![build status](https://travis-ci.org/UV-CDAT/uvcdat.svg?branch=master)](https://travis-ci.org/UV-CDAT/uvcdat/builds)
-[![stable version](http://img.shields.io/badge/stable version-2.4.1-brightgreen.svg)](https://github.com/UV-CDAT/uvcdat/releases/tag/2.4.1)
-![platforms](http://img.shields.io/badge/platforms-linux | osx-lightgrey.svg)
+[![stable version](http://img.shields.io/badge/stable%20version-2.4.1-brightgreen.svg)](https://github.com/UV-CDAT/uvcdat/releases/tag/2.4.1)
+![platforms](http://img.shields.io/badge/platforms-linux%20|%20osx-lightgrey.svg)
 [![DOI](https://zenodo.org/badge/doi/10.5281/zenodo.50101.svg)](http://dx.doi.org/10.5281/zenodo.50101)
 
 [![Anaconda-Server Badge](https://anaconda.org/uvcdat/uvcdat/badges/installer/conda.svg)](https://conda.anaconda.org/uvcdat)