and integrated tpconfig support as well.
Fixed exception losing its initial content after appending with
getMessage() <<

the parsing of cta.conf. Renamed TponfigLines class to Tpconfig.
Unit tested the class.
Fixed message value of Errnum being overwritten when "ex.getMessage() <<"
construct is used on the object.

Added usage of PEEK option to SocketPair::receive, allowing dynamic allocation of a receive buffer of the right length.
Tested receiption up to 100kB in unit tests.

processes. The socket transmits and queues variable size messages.

Added a sourced parameter which keeps track of the origin of a parameter.
Ported parsing of configuration files from CASTOR.

added authorization for administrative commands and removing security identity parameters from deleters and getters of the catalogue

added to the interfaces the features requested by Vlado: label/lastwrite/lastread logs, encryption key and lbp tag for tapes; and encryption flag for pools

Added new make targets for helgrind and valgrind.