Merge branch 'develop' into 1546-fix-warnings-with-gcc-7-3-and-clang-5-0

Modules/Core/Streaming/include/otbStreamingManager.h

Modules/Core/Streaming/include/otbStreamingManager.txx

Modules/IO/ImageIO/include/otbImageFileWriter.h

Modules/IO/ImageIO/include/otbImageFileWriter.txx

Modules/IO/ImageIO/include/otbMultiImageFileWriter.h

Modules/IO/ImageIO/include/otbMultiImageFileWriter.txx

Modules/IO/ImageIO/src/CMakeLists.txt

Modules/IO/ImageIO/src/otbMultiImageFileWriter.cxx

Modules/IO/ImageIO/test/CMakeLists.txt

Modules/IO/ImageIO/test/otbImageIOTestDriver.cxx

Modules/IO/ImageIO/test/otbMultiImageFileWriterTest.cxx

Modules/MPI/MPIVrtWriter/include/otbMPIVrtWriter.h

Modules/MPI/MPIVrtWriter/include/otbMPIVrtWriter.txx

Modules/MPI/MPIVrtWriter/otb-module.cmake

...pplicationEngine/include/otbWrapperOutputImageParameter.h

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

.../ApplicationEngine/src/otbWrapperOutputImageParameter.cxx