Updated compass configuration

Squashed commit of the following:

commit 9946009d890cf6cc5c505a816400439c7eba4bd4
Author: Leon Coto <leoncoto@gmail.com>
Date:   Sat Oct 26 13:56:58 2013 +0100

    Updating tests for new compass configuration.

commit 3c26b298ef1cfa817eba5a5e934a89d0d0bd0c6b
Author: Leon Coto <leon.coto@mcsaatchi.com>
Date:   Tue Oct 22 13:53:31 2013 +0100

    Compass sprite support working.

commit bb15b33ac44206f0774c9d3341d31bde25036c0a
Author: Leon Coto <leon.coto@mcsaatchi.com>
Date:   Tue Oct 22 10:29:46 2013 +0100

    Compass enhancements

    - Adding an image to the client to test compass image
    - Fixing CSS embedding to get styles from css

commit 67d617e5cf027ade6ee9a883d0930641fc7ff2dd
Author: Leon Coto <leon.coto@mcsaatchi.com>
Date:   Mon Oct 21 17:20:49 2013 +0100

    Initial go at fixing compass images implementation