Removed diagnostic colours, added spacers, updated footer
CHANGED: Footer text
ADDED: Spacers around prices screen for better vertical presentation
CHANGED: Background colours for wrapper, spacers and header
REMOVED: Diagnostic background colours used when debugging responsiveness
REMOVED: Background colours for prices and order divs and spacers
Merge pull request #49 from Hiblet/ColourScheme01

Removed diagnostic colours, added spacers, updated footer