from castor in the exercise.

This implied removing tpconfig, tplabel and tpstat.

Removed archive and retrieve to directory requests.

Extracted common forward definitions into a single include file.

Enclosed locally used strcutures into anonymous namespaces.

Removed unecessary old code, including propagation of the moved port
Put inplace "make unittests" which now run the unittests through valgrind and helgrind.

Fixed namespace not matching other files in tests.

Renamed the ArchiveRequest to UserArchiveRequest to avoid conflicting names (will be deleted afterwards)

Added more legacy messages implementations that were needed, and the SmartCap class.
Fixed bug in re-written part of io.cpp (detected by unit test).

Removed linking information for external libraries from CASTOR.
Started to re-import necessary files from CASTOR.
Edited files from CASTOR to replace usage of the old Cxxx compatibility layer (this was for multi-system
compatibility at the time.

Fixed wrong updating of the max FSeq for the tape. Now done per-file instead of at the end of the session.