Don't send session data to AppSignal
Merge pull request #410 from ministryofjustice/app_signal_4

Don't send session data to AppSignal
Updated copy to yes / no question re attending court 

As per ticket https://www.pivotaltracker.com/story/show/75883250
Merge pull request #411 from ministryofjustice/Test_Leigh

Updated copy to yes / no question re attending court
Start of the applicable statements for Tenancy

This is just the start of the ticket:
https://www.pivotaltracker.com/story/show/75880916

Somebody needs to pick it up and complete the rest.
Added validation for single tenancy agreement

The logic is that if there is a one tenancy agreement, one applicable
option has to be picked.
Applicable statement tests for multiple tenancies