Refs #10833 Rename knowledge serializer

Code/Mantid/Vates/VatesAPI/CMakeLists.txt

...es/VatesAPI/inc/MantidVatesAPI/VatesKnowledgeSerializer.h

Code/Mantid/Vates/VatesAPI/src/MDEWLoadingPresenter.cpp

Code/Mantid/Vates/VatesAPI/src/MDHWLoadingPresenter.cpp

Code/Mantid/Vates/VatesAPI/src/VatesKnowledgeSerializer.cpp

...Mantid/Vates/VatesAPI/test/VatesKnowledgeSerializerTest.h

...d/Vates/VatesSimpleGui/ViewWidgets/src/MultisliceView.cpp