killbill-memoizeit

moved invoice formatting out of util; added InvoiceFormatterFactory …

and injected into HtmlInvoiceGenerator (extension point for non-default invoice formatters to be added from outside open source project)

stabilize template tests; replace entitlement and junction …

dependencies in invoice with mocks

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

into integration

Conflicts:
	invoice/src/main/java/com/ning/billing/invoice/InvoiceDispatcher.java
	invoice/src/test/java/com/ning/billing/invoice/api/migration/MockModuleNoEntitlement.java
	invoice/src/test/java/com/ning/billing/invoice/api/migration/TestDefaultInvoiceMigrationApi.java
	overdue/src/main/java/com/ning/billing/overdue/config/DefaultDuration.java

stabilized invoice templates and translation

name change: send_invoice_emails -> isNotifiedForInvoice added …

InvoiceNotifier interface

imports cleanup after merge

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

into integration

Conflicts:
	account/src/main/java/com/ning/billing/account/api/user/DefaultAccountUserApi.java

added toJodaPeriod to Duration and DefaultDuration

update history_id -> history_record_id

account email stack