Merge pull request #4596 from guardian/survey-banner-link

change survey link
adjust survey link
Merge pull request #4597 from guardian/survey-link

adjust survey link
Revert @kaelig SVG sprite loading change.
Prioritise rendering over meta data and JS in the head
Merge branch 'master' of github.com:guardian/frontend into setup-order-fix

Conflicts:
	common/app/views/fragments/commonCssSetup.scala.html
Polyfill is loaded first
Merge pull request #4599 from guardian/setup-order-fix

Prioritise rendering over meta data and JS in the head
Merge branch 'master' into star-ratings-svg

Conflicts:
	common/app/views/fragments/commonCssSetup.scala.html