RAD-64 Add RadiologyOrderFormControllerTest
* update openmrs-core dependency to 1.9.9 to be able to use Mockito @Mock
* add RadiologyOrderFormControllerTest using Mockito @Mock
* adapt moduleApplicationContext so that @Autowired in omod finds the
RadiologyService bean (adds logging advice via openmrs-core
serviceInterceptors)
* add needed services as members to RadiologyOrderFormController and
wire via @Autowired
