Fix the postcode check code, it wanted letters first and digits last. This should be the other way around
Start on making the website look and feel like the SV Cover site.

- Copy basic colour scheme
- Fix the menu to be on top and call it the navbar in html
- Style the menu to look like the SV Cover website menu
Remove the useless div within the content div
Add the left hand side menu to the base templates.

- Reorder the CSS and section it to make it clearer
- Add css and example html for the left hand side menu. Also makes it usable for the right hand side menu.
- Do not show the example on the public site