Binary to grayscale morpho filters

Conflicts:
	src-plugins/itkFilters/itkFiltersCloseProcess_p.h
	src-plugins/itkFilters/itkFiltersDilateProcess_p.h
	src-plugins/itkFilters/itkFiltersErodeProcess_p.h
	src-plugins/itkFilters/itkFiltersOpenProcess_p.h
Resolve morphoFiltering pb with images whose data type is double
Missing typenames for gcc

Conflicts:
	src-plugins/itkFilters/itkFiltersCloseProcess_p.h
	src-plugins/itkFilters/itkFiltersDilateProcess_p.h
	src-plugins/itkFilters/itkFiltersErodeProcess_p.h
	src-plugins/itkFilters/itkFiltersOpenProcess_p.h