WIP: Better error messages (RFC-91)

Modules/IO/ImageIO/include/otbImageFileReader.h

Modules/IO/ImageIO/include/otbImageFileReader.txx

Modules/IO/ImageIO/include/otbImageFileWriter.txx

Modules/IO/ImageIO/src/otbImageIOFactory.cxx

Modules/Wrappers/ApplicationEngine/include/otbLogger.h

...rappers/ApplicationEngine/include/otbWrapperApplication.h

...plicationEngine/include/otbWrapperInputImageParameter.txx

...les/Wrappers/ApplicationEngine/include/otbWrapperMacros.h

Modules/Wrappers/ApplicationEngine/src/CMakeLists.txt

Modules/Wrappers/ApplicationEngine/src/otbLogger.cxx

.../Wrappers/ApplicationEngine/src/otbWrapperApplication.cxx

...cationEngine/src/otbWrapperInputFilenameListParameter.cxx

...plicationEngine/src/otbWrapperInputImageListParameter.cxx

...s/ApplicationEngine/src/otbWrapperInputImageParameter.cxx

...rappers/CommandLine/src/otbWrapperCommandLineLauncher.cxx