Remove the blue border underneath the title

... because it's not a design pattern that's used in other publishing apps.
Reduce test data duplication in functional test
Merge pull request #129 from alphagov/functional-test-improvements

Reduce test data duplication in functional test
Merge pull request #128 from alphagov/remove-stripe-under-title

Remove the blue border underneath the title
Change the alert panels

- move the alert panels (duplicate, out of scope) to be above the tabs
- if both panels are present, combine them in one
- change the styling to match the 'important note' pattern in mainstream publisher

This uses the "important note" pattern that was first introduced in Publisher.