ENH: Add an InputFilenameListParameter type for the OTB Applications

Code/ApplicationEngine/otbWrapperApplication.cxx

Code/ApplicationEngine/otbWrapperApplication.h

...pplicationEngine/otbWrapperInputFilenameListParameter.cxx

.../ApplicationEngine/otbWrapperInputFilenameListParameter.h

Code/ApplicationEngine/otbWrapperParameterGroup.cxx

Code/ApplicationEngine/otbWrapperTypes.h

Code/Wrappers/CommandLine/otbWrapperCommandLineLauncher.cxx

Code/Wrappers/QtWidget/CMakeLists.txt

...QtWidget/otbWrapperQtWidgetInputFilenameListParameter.cxx

...s/QtWidget/otbWrapperQtWidgetInputFilenameListParameter.h

.../Wrappers/QtWidget/otbWrapperQtWidgetParameterFactory.cxx

Code/Wrappers/SWIG/otbApplication.i