First cut at East Sussex cobrand and templates
East Sussex. Get layout, including map working

- Identified major clash point for CSS
- Move eastsussex resources locally
  in part to be able to override clashing names like .container
East Sussex. iterate header
East Sussex. iterate footer
East Sussex: Tidy up layout of a few elements on front and map pages
East Sussex. Remove 6px padding

this was causing horizontal scroll > 100% width
Tweak help page spacing