added separate make rule for the event display to fix the compilation problem for systems without OpenGL libraries (#168, #127) added Cloner module modified BTagging module (several BTagging bits can be stored for the same jet collection, see here)
added separate make rule for the event display to fix the compilation problem for systems without OpenGL libraries (#168, #127) added Cloner module modified BTagging module (several BTagging bits can be stored for the same jet collection, see here)