Prevent IE9 from entering Compatibility View.

+ Add meta X-UA-Compatible element.
+ http://stackoverflow.com/questions/6348959/how-to-disable-compatibility-view-in-ie
+ http://stackoverflow.com/questions/12894082/how-to-prevent-ie9-from-rendering-intranet-sites-in-compatibility-mode
Merge pull request #61 from leftclickben/GR355_9633_FixIE9CompatibilityMode

Prevent IE9 from entering Compatibility View.

Merging before travis build completed as this is a cosmetic change.