killbill-aplcache

add clock injection to mocktagdao

fix guice issues also, fix bug with EntityCollectionBase::remove

add invoice item type; fix licenses

writeoff tag for invoices; added accountId to invoice items; …

made subscriptionId optional for invoice items

audits for accounts, tags and fields complete

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

into integration

Conflicts:
	analytics/src/test/java/com/ning/billing/analytics/TestAnalyticsListener.java

licenses

audit work (clean up test failures; add mocks for next billing …

date listener and poster)

more work on audits

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

into integration

Conflicts:
	account/src/main/java/com/ning/billing/account/api/user/DefaultAccountUserApi.java
	account/src/main/java/com/ning/billing/account/dao/AccountSqlDao.java
	analytics/src/test/java/com/ning/billing/analytics/api/TestAnalyticsService.java
	api/src/main/java/com/ning/billing/util/api/TagDefinitionUserApi.java
	entitlement/src/main/java/com/ning/billing/entitlement/api/billing/DefaultEntitlementBillingApi.java
	entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/SubscriptionSqlDao.java
	invoice/src/main/java/com/ning/billing/invoice/dao/InvoiceSqlDao.java
	invoice/src/main/java/com/ning/billing/invoice/model/DefaultInvoice.java
	invoice/src/main/resources/com/ning/billing/invoice/dao/InvoiceSqlDao.sql.stg
	invoice/src/main/resources/com/ning/billing/invoice/ddl.sql
	invoice/src/test/java/com/ning/billing/invoice/TestInvoiceDispatcher.java
	invoice/src/test/java/com/ning/billing/invoice/dao/InvoiceDaoTestBase.java
	invoice/src/test/java/com/ning/billing/invoice/dao/InvoiceDaoTests.java
	util/src/main/java/com/ning/billing/util/tag/DefaultControlTag.java
	util/src/main/java/com/ning/billing/util/tag/dao/DefaultTagDefinitionDao.java
	util/src/test/java/com/ning/billing/util/globallocker/TestMysqlGlobalLocker.java
	util/src/test/java/com/ning/billing/util/tag/TestTagStore.java