Added DirectionalLUT and done some cleanup

CMakeLists.txt

Code/Common/CMakeLists.txt

Code/Common/include/BaseImageTypes.h

Code/Common/include/FileUtils.hpp

Code/Common/include/FluentXML.hpp

Code/Common/include/GlobalDefs.h

Code/Common/include/ImageResampler.h

Code/Common/include/Macros.h

Code/Common/include/ResamplingBandExtractor.h

Code/Common/include/StringUtils.hpp

Code/Common/include/TestImageCreator.h

Code/Common/include/TinyXMLUtils.hpp

Code/Common/include/Utils.h

Code/Common/include/VectorImageSplitter.h

Code/Common/src/FileUtils.cpp

Code/Common/src/FluentXML.cpp

Code/Common/src/GlobalDefs.cpp

Code/Common/src/StringUtils.cpp

Code/Common/src/TinyXMLUtils.cpp

Code/Common/test/CMakeLists.txt