Refactored the ClientImplTest.
Merge branch 'master' of github.com:golvmopp/sdmapeg
Refactored the ClientManagerModelTest.
Restructured test packages to avoid hidden circular dependencies.
Fixed imports in tests.
Added worker implementation test.
Added test for WorkerLoadSnapshot.
Added test for WorkerCoordinatorState.
Updated WorkerCoordinatorModel and ClientManagerModel to check that a client or worker was actually removed before performing the remaining removal tasks.
Small bug fixes and improvements in WorkerCoordinatorModel.
Fixed another bug in WorkerCoordinatorModel.
Added test for WorkerCoordinatorModel.
Merge branch 'master' of github.com:golvmopp/sdmapeg

Conflicts:
	project/server/src/test/java/se/sdmapeg/server/clients/models/ClientImplTest.java
	project/server/src/test/java/se/sdmapeg/server/clients/models/ClientManagerModelTest.java