Re-add light grey border-top to section element

Got lost in the transition from Limelight.
Merge pull request #31 from alphagov/border-top-grey

Re-add light grey border-top to section element
Use builds without d3 in IE<=8
Ensure GovukViews are not rendered on the client
Remove trailing comma
Do not restart server after each Cucumber scenario
Fix feature tests
Merge pull request #32 from alphagov/ie-compatibility-61335464

IE<=8 compatibility
Add option to only run client when CORS is available
Remove ifModified option from visitors-realtime collection

It causes server requests to fail.
Fix failing test
Temporarily disable failing feature steps

Steps testing behaviour that is different on server and client are not
fully supported. Disabled steps failing on travis until we have a solution
that allows us to reliably test server and client specific behaviour.
Merge pull request #33 from alphagov/ie-compatibility-61335464

Ie compatibility 61335464
Merge branch 'master' into completion_module