killbill-memoizeit

Implement fix for billing event ordering

Merge branch 'integration' of github.com:ning/killbill …

into integration

Fix issue in the use of custom fields in Subscription

- add invoice number (auto_increment field that is only set …

when the invoice is created)
- changed custom field value to not required

- remove InternationalPrice from billing events; pass values …

and currency instead
- constrain target date for invoices to a configurable number of months in the future

update to AccountDao to provide transactional support for …

fetches; minor cleanup in EntitlementSqlDao

Merge branch 'integration' of github.com:ning/killbill …

into integration

Removed nextRetryDate from paymentAttempt as NotificationQueue …

takes care of it now

Merge branch 'integration' of github.com:ning/killbill …

into integration

Conflicts:
	invoice/src/test/java/com/ning/billing/invoice/tests/DefaultInvoiceGeneratorTests.java

Fix beatrix test failure becayse of chnage in Payment