Creation of OSM FileReader/Session classes

ReleaseNotes.md

common/dataStructures/LabelFormat.hpp

tapeserver/castor/tape/tapeserver/file/CMakeLists.txt

tapeserver/castor/tape/tapeserver/file/FileReaderFactory.cpp

tapeserver/castor/tape/tapeserver/file/FileTest.cpp

tapeserver/castor/tape/tapeserver/file/OsmFileReader.cpp

tapeserver/castor/tape/tapeserver/file/OsmFileReader.hpp

tapeserver/castor/tape/tapeserver/file/OsmReadSession.cpp

tapeserver/castor/tape/tapeserver/file/OsmReadSession.hpp

...server/castor/tape/tapeserver/file/ReadSessionFactory.cpp