added yes no question to start of notice section
notice copy changes
single copy of notice caution text
use .nonjs to remove notice caution
trigger notice_section pageview when notice yes/no radios choosen
refactoring
send analytics event on click of no notice radio input
set analytics event category
fixed detection of form with errors
fixed spec
better spacing in notice section
Merge branch 'master' into notice-question

* master: (32 commits)
  Exempt expire_session action from CSRF protection
  fixed all the remaining issues (header+footer)
  updated the static error pages
  fixed the footer links and cleaned up the routes
  test
  don't protect from forgery on expired action
  fixed the footer links
  Fixed error message copy and sequencing
  created all the static pages; updated footer links
  spike other pages too
  Updated copy to yes / no question re attending court
  spike using relative links in 500 page
  Don't send session data to AppSignal
  added send_to_zendesk() method to application controller; used by feedback and user callback controllers
  render flash on confirmation page
  increase session modal width
  removed unneeded code
  added referrer_is_feedback_form?()
  refactoring: created return_to() method
  implemented redirect in feedback controller
  ...

Conflicts:
	app/views/claim/_notice.html.haml
rep-added "how was notice given" question
Merge branch 'master' into notice-question

* master:
  remove app signal from application
Merge pull request #407 from ministryofjustice/notice-question

Notice question