Consistent naming scheme for unit tests: AreaOperation

rename .cpp, .h and target from areaoperationtest to test_areaoperation
rename class AreaOperationTest to TestAreaOperation
Consistent naming scheme for unit tests: controller

Merge branch 'fix337282' of http://github.com/mali/kdevplatform into fix337282

Conflicts:
	sublime/tests/test_areaoperation.h