Added in a Back link

A link under the main content to allow the user to go back to the editable text field

Signed-off-by: Dan Dineen <dsd28@bath.ac.uk>
Updated back link text

Signed-off-by: Dan Dineen <dsd28@bath.ac.uk>
Merge pull request #1 from dandineen/Interface-tweaks

Added in a Back link