Standardise features

0:15
Update eventbrite and xero steps

0:15
dequeue attendee invoker when new contacts are created
Add scenario for invoice idempotency

0:15
Remove old cassettes
Change order of requeuing checks in new contact feature

0:15
clean up contacts in xero after tests

0:15
Improve name of 'contact should exist in Xero' step

0:10
Add a scenario for storing personal contact details in new contacts

0:15
Variable name change for invoice details

0:05
Add steps for personal phone and address

0:10
Separate billing and shipping addresses

0:10
Move invoice queuing steps into xero steps, and share creation of user info hashes.

0:20
Remove redundant step for eventbrite fee

0:05
Share xero connection in steps

0:10
differentiate invoice raising fixtures based on hash of data used

0:20
Implement 'contact should exist' step

0:15
Don't filter *everything* in ENV

ENV contains some silly things, that end up replacing all zeroes.
0:20
split address tests into separate fields

0:15
Add step checks for addresses

0:10