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
add nice screen for case submit
add submit screen for employee
Bugfix - use the new date format for the ip dashboard
Re-indent summary page and remove failed payments
Bit of a hack, but only temporary
Merge pull request #118 from InsolvencyService/hardcode_insolvent_company

Bit of a hack, but only temporary
Merge pull request #117 from InsolvencyService/submit-screens

Submit screens
Merge pull request #116 from InsolvencyService/remove-failed-payments

Re-indent summary page and remove failed payments
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
Fix the insolvency practitioner forms
Remove links in navigation
Hilight current location in user journey
Fix the build