First round of fixes out of coverity defects. Mostly uninstialized variables

castor/client/BaseClient.cpp

castor/db/ora/OraCnvSvc.cpp

castor/db/ora/OraCnvSvc.hpp

castor/db/ora/OraCommonSvc.cpp

castor/db/ora/OraGCSvc.cpp

castor/db/ora/OraJobSvc.cpp

castor/db/ora/SmartOcciResultSet.cpp

castor/db/ora/SmartOcciResultSet.hpp

castor/exception/SQLError.cpp

castor/gc/SynchronizationThread.cpp

castor/io/AbstractSocket.cpp

castor/io/AuthServerSocket.cpp

castor/job/d2dtransfer/MainThread.cpp

castor/metrics/UpdateThread.cpp

castor/monitoring/rmmaster/RmMasterDaemon.hpp

castor/server/BaseDaemon.cpp

castor/server/DynamicThreadPool.cpp

castor/stager/daemon/JobSvcThread.cpp

castor/tape/tapebridge/ConfigParam.hpp

castor/tape/tapebridge/PendingMigrationsStore.cpp