Add comment in test (code review integration)
Merge branch 'master' of github.com:killbill/killbill

Conflicts:
	entitlement/src/test/java/com/ning/billing/entitlement/api/TestDefaultSubscriptionApi.java
Fix an issue with how we report paidAmount when there were some incomplete refunds.

The refund amount should only be substracted of the payment amount when its status is COMPLETED.