Update to border force content

Changes requested by BF.
minor update to content
fix typo
Fix double quote typo
Wrap publication names in single quotes

The styleguide recommends to [use single quote marks when referring to publications](https://www.gov.uk/designprinciples/styleguide#quotes-and-speech-marks)
Update to border force content

Changes requested by BF.
minor update to content
fix typo
Fix double quote typo
Wrap publication names in single quotes

The styleguide recommends to [use single quote marks when referring to publications](https://www.gov.uk/designprinciples/styleguide#quotes-and-speech-marks)
Merge branch 'registered-traveller-update' of github.com:alphagov/transformation-dashboard into registered-traveller-update

Conflicts:
	transformation/apply-registered-traveller.html
Text updated for Registered Traveller
Finalising anticipated volume text
Consistency in naming
Merge pull request #4 from alphagov/registered-traveller-update

Registered traveller update