Adding images and more comment on Travis

_pages/docs/travis.md

@@ -21,4 +21,18 @@ The current status is
 | [Master](https://travis-ci.org/paboyle/Grid)       |  [![Build Status](https://travis-ci.org/paboyle/Grid.svg?branch=master)](https://travis-ci.org/paboyle/Grid) |
 | [Develop](https://travis-ci.org/paboyle/Grid)       | [![Build Status](https://travis-ci.org/paboyle/Grid.svg?branch=develop)](https://travis-ci.org/paboyle/Grid) |
 
+
+### Automated tests
+
+Travis will test the compilation workflow for single and double precision version on the following compilers for each commit:
+
+ - clang 3.7.0 on Ubuntu 14.04
+ - clang 3.8.0 on Ubuntu 14.04
+ - gcc 5.4.1 on Ubuntu 14.04
+ - gcc 4.9.4 on Ubuntu 14.04
+ - clang LLVM 7.0 on OSX (x86_64-apple-darwin15.5.0)
+
+Due to the limitations of the Travis virtual machines, the archictecture is limited to SSE4.
+
+
 {% include paginator.html %}

index.html

@@ -7,6 +7,7 @@ excerpt: "Data parallel C++ mathematical object library."
 permalink: /
 header:
   overlay_color: "#5DADE2"
+  overlay_image: header_bg.jpg
 intro:
   - excerpt: 'Get notified when we add new stuff &nbsp; [<i class="fa fa-github"></i> watch project](https://github.com/paboyle/Grid/subscription){: .btn .btn--info}'
 downloads: