-Replace codes.h with iberror.h (or remove)
-Move gds__vax_integer and gds__event_block* to alt.cpp and isc_ to gds.cpp
-Use ISC_QUAD internally
-Use isc_vax_integer internally
2) Fix tracking of OWN_hung in Win32 CS lock manager (lock-up debugging aid)
3) Fix possible unsynchronized access to memory manager in Win32 CS builds
and client library. Have shown itself as a very rare crash of Win32 CS manager
process during its startup.
4) Reduce warnings a little
Points 2 and 3 need to be backported to B1_5_Release
