Homogenised the acs and media-changer command-line tools

castor/acs/AcsDismountCmd.cpp

castor/acs/AcsDismountCmd.hpp

castor/acs/AcsDismountCmdLine.cpp

castor/acs/AcsDismountCmdLine.hpp

castor/acs/AcsDismountCmdLineTest.cpp

castor/acs/AcsDismountCmdMain.cpp

castor/acs/AcsMountCmd.cpp

castor/acs/AcsMountCmd.hpp

castor/acs/AcsMountCmdLine.cpp

castor/acs/AcsMountCmdLine.hpp

castor/acs/AcsMountCmdLineTest.cpp

castor/acs/AcsMountCmdMain.cpp

castor/acs/AcsQueryVolumeCmd.cpp

castor/acs/AcsQueryVolumeCmd.hpp

castor/acs/AcsQueryVolumeCmdLine.cpp

castor/acs/AcsQueryVolumeCmdLine.hpp

castor/acs/AcsQueryVolumeCmdLineTest.cpp

castor/acs/AcsQueryVolumeCmdMain.cpp

castor/acs/CMakeLists.txt

castor/acs/castor-tape-acs-dismount.man