East Sussex: ensure example places are within county
East Sussex: match council website body width
East Sussex: Remove 'size2' class from body

This means we don't need lots of little CSS hacks to tweak things back into position
East Sussex: Restore 'contact us' underline
East Sussex: Ensure content extends down to footer
East Sussex: More UI layout tidying
East Sussex: Make sure error and confirmation pages don't have obscured content
Merge branch 'east-sussex' into commercial-staging