Support multiple line items in Invoicer
Update tests for invoice description
Mock deduplication correctly
Cassettes
Cache all the bundles
Make attendee_monitor send each ticket as a seperate line item
Update signup processor
Delete description stuff
Add extra information to line descriptions
Fix up attendee monitoring tests
Refresh cassettes
Merge pull request #388 from theodi/feature-multi-line-invoices

Feature multi line invoices