added LIBMXF_VERSION define
added LIBMXF_VERSION define

stuarthicks/libmxf,Limecraft/ebu-libmxf,Limecraft/ebu-libmxf,ebu/ebu-libmxf,stuarthicks/libmxf,ebu/ebu-libmxf,ebu/ebu-libmxf,Limecraft/ebu-libmxf,ebu/ebu-libmxf,stuarthicks/libmxf,stuarthicks/libmxf