Add a few diagrams
First draft of header & footer guidance
Tightened intro paragraph. Shorter sentences.

Recast opening sentences to be be user-centric.
Add images and update copy
Merge branch 'master' into designing-transactions
Fix hr style
2nd draft - added new sections
Update principle no.1
Minor copy update
Add images of header examples
Merge branch 'master' of github.com:alphagov/government-service-design-manual into header-footer-guidance
Merge branch 'header-footer-guidance' of github.com:alphagov/government-service-design-manual into header-footer-guidance
Add outline of IDA
Add links to IDA
Remove contact information
Add bullets
add ids to list elements

this allows to deep-link directly to the different criteria
in the service standard, eg:

/service-manual/digital-by-default/#criterion-15
Merge pull request #128 from alphagov/deep-linking-service-standard-points

Deep linking to points in the service standard
Update images and template guidance
Merge branch 'master' into identity-assurance

Conflicts:
	service-manual/digital-by-default/index.md