Updated the logic of the disposed operation type.
	The operation item quantities will now be negated when applied to the stockroom
	Updated the disposed operation type tests to reflect the change in logic
	Updated the test data to better test the operation type behaviors
	Moved the operation type test data to an independant data file
Merge branches 'develop' and 'develop' of https://github.com/OpenHMIS/openmrs-module-openhmis.inventory into feature/cash-152