Update _demoted_tenancy.html.haml

Added grey box
Update _tenancy.html.haml

Made copy changes and added a paragraph of text.
Update _notice.html.haml

Copy change
Update _property.html.haml

Lower case on radios as per gov.uk standard
Update _demoted_tenancy.html.haml
Update _claimant_contact.html.haml

Added copy
Update _possession.html.haml

Copy change
Fix for <strong> tags in copy
Merge pull request #104 from ministryofjustice/Kellies_cosmetic_changes

Kellies cosmetic changes