You have to press in the Finder [Shift-Command-G] Captura de pantalla 2014-07-23 a las 20.26.10.PNG and in the window that comes write /usr/local/lib and press Enter, in the folder that opens you have to put the files located in the BoxSupporter folder (libBoxSupporter.0.0.3.dylib, libBoxSupporter.0.0.dylib, libBoxSupporter.0.dylib, libBoxSupporter.dylib) where is installed the MAT app.