Delete the session when the user closes the browser

- This will help to avoid the bugs we run into because
  we aren't migrating session data
Put session changes inside before_request hook
Bugfix: check for specific discrepancies in routes

Previous we were just doing len(discrepancies)
add nice summary screen for claimant too
Merge pull request #119 from InsolvencyService/fix_discrepancies_logic_in_routes

Bugfix: check for specific discrepancies in routes
Merge pull request #115 from InsolvencyService/short-lived-sessions

Delete the session when the user closes the browser
Merge pull request #120 from InsolvencyService/submit-screens

add nice summary screen for claimant too
tweak to name of mining concern in administration
remove buttons from summary screen
Fix the insolvency practitioner forms
Remove links in navigation
Hilight current location in user journey
Fix the build
update name of mining concern
Use month names instead of numbers for date picker
Merge branch 'master' into summarybuttons

Conflicts:
	rps/claimants_user_journey/templates/summary.html
Merge pull request #122 from InsolvencyService/change_month_numbers_to_names

Use month names instead of numbers for date picker
Actually check against the value from the form
Merge pull request #121 from InsolvencyService/summarybuttons

remove buttons from summary screen
Merge pull request #123 from InsolvencyService/change_month_numbers_to_names

Actually check against the value from the form