Changed Utils class into a namespace

common/Configuration.hpp

common/ProcessCap.cpp

common/exception/Errnum.cpp

common/log/SyslogLogger.cpp

common/processCap/ProcessCap.cpp

common/utils/Utils.cpp

common/utils/Utils.hpp

common/utils/UtilsTest.cpp

nameserver/mockNS/MockNameServer.cpp

nameserver/mockNS/makeMockNameServerBasePath.cpp

objectstore/BackendVFS.cpp

remotens/EosNS.cpp

remotens/MockRemoteNS.cpp

tapeserver/castor/exception/Errnum.cpp

tapeserver/castor/io/io.cpp

...castor/tape/tapeserver/daemon/DataTransferSessionTest.cpp

tapeserver/daemon/TapeDaemon.cpp

tapeserver/daemon/TpconfigLines.cpp