Merge tag 'v1.7.1'

[maven-release-plugin]  copy for tag v1.7.1
Slight edit to pom formatting.
Merge branch 'develop' of github.com:OpenHMIS/openmrs-module-openhmis.cashier into develop
Updated tests to make createEntity method public.
Fixes Null reference bug when trying to determine the value of a concept payment mode attribute.
	^cash-129 Fixed
[maven-release-plugin] prepare release v1.7.2
Merge branch 'develop' of github.com:OpenHMIS/openmrs-module-openhmis.cashier into develop
Merge tag 'v1.7.2' into develop

[maven-release-plugin]  copy for tag v1.7.2

Conflicts:
	api/pom.xml
	omod/pom.xml
	omod/src/main/java/org/openmrs/module/webservices/rest/resource/PaymentAttributeResource.java
	pom.xml
Merge branch 'develop' of github.com:OpenHMIS/openmrs-module-openhmis.cashier into develop