Replaced all castor file headers with cta file headers.

common/exception/AcceptConnectionInterrupted.cpp

common/exception/AcceptConnectionInterrupted.hpp

common/exception/Backtrace.cpp

common/exception/Backtrace.hpp

common/exception/BadAlloc.cpp

common/exception/BadAlloc.hpp

common/exception/CommandLineNotParsed.cpp

common/exception/CommandLineNotParsed.hpp

common/exception/EndOfFile.hpp

common/exception/Exception.hpp

common/exception/ExceptionTest.cpp

common/exception/InvalidArgument.cpp

common/exception/InvalidArgument.hpp

common/exception/InvalidConfigEntry.cpp

common/exception/InvalidConfigEntry.hpp

common/exception/MemException.hpp

common/exception/MissingOperand.cpp

common/exception/MissingOperand.hpp

common/exception/NoEntry.cpp

common/exception/NoEntry.hpp