ENH: outputimage parameter input can be of any types

Applications/Classification/otbImageSVMClassifier.cxx

Code/ApplicationEngine/otbWrapperApplication.cxx

Code/ApplicationEngine/otbWrapperApplication.h

Code/ApplicationEngine/otbWrapperApplication.txx

Code/ApplicationEngine/otbWrapperOutputImageParameter.cxx

Code/ApplicationEngine/otbWrapperOutputImageParameter.h

Code/ApplicationEngine/otbWrapperTypes.h

Code/Wrappers/CommandLine/otbWrapperCommandLineLauncher.cxx