Fix NPE when billCycleDayLocal is null
[maven-release-plugin] prepare release killbill-0.1.55
[maven-release-plugin] prepare for next development iteration
Merge branch 'master' into new-paymentpluginapi

Conflicts:
	analytics/src/test/java/com/ning/billing/analytics/api/TestAnalyticsService.java
	beatrix/src/test/java/com/ning/billing/beatrix/integration/TestIntegrationBase.java
	server/src/test/java/com/ning/billing/jaxrs/TestAccount.java
Merge branch 'new-paymentpluginapi' of github.com:killbill/killbill into new-paymentpluginapi

Conflicts:
	analytics/src/test/java/com/ning/billing/analytics/api/TestAnalyticsService.java
	osgi-bundles/test/pom.xml
Merge branch 'new-paymentpluginapi' of github.com:killbill/killbill into new-paymentpluginapi