add eui-highlight directive
Merge pull request #4 from mathroc/master

fix Grunt on unix - thanks @mathroc
Merge pull request #5 from mathroc/feature/highlight

add eui-highlight directive
release 0.0.4

- improvements to highlighting
- new release with highlighting
Add a attachErrorCallback to indexVM to be able to handle errors
add eui-host directive to select eui host at runtime