SPTK3 conversion

CPPSERV was converted to SPTK 3.1 API today. Note that as of
today SPTK-3.1 is not released yet - we are using CVS HEAD
version with local fixes, which you can get from my git tree:
gitweb: http://gateway.total-knowledge.com/cgi-bin/gitweb.cgi?p=sptk.git;a=summary
actual tree:
http://gateway.total-knowledge.com/scm/sptk.git

My git tree of CPPSERV itself is at
http://gateway.total-knowledge.com/scm/cppserv.git