README: put CI badges in table

mpictor · mpictor · commit 1dfe76b3b4b4 · 2015-08-23T22:30:36.000-04:00
diff --git a/README.md b/README.md
@@ -1,5 +1,7 @@
-Travis-CI build status:
-[![Build Status](https://travis-ci.org/stepcode/stepcode.svg?branch=master)](https://travis-ci.org/stepcode/stepcode) [![Build status](https://ci.appveyor.com/api/projects/status/3fbr9t9gfa812oqu?svg=true)](https://ci.appveyor.com/project/mpictor/stepcode)
+   Travis-CI   |   AppVeyor CI
+:-------------:|:---------------:
+Linux, OSX (LLVM) | Windows (MSVC)
+[![Build Status](https://travis-ci.org/stepcode/stepcode.svg?branch=master)](https://travis-ci.org/stepcode/stepcode) | [![Build status](https://ci.appveyor.com/api/projects/status/3fbr9t9gfa812oqu?svg=true)](https://ci.appveyor.com/project/mpictor/stepcode)
 
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 STEPcode v0.8 -- stepcode.org, github.com/stepcode/stepcode
