Contact header in the REGISTER reply contains more then one binding.
Details: up to now each Contact header was counted as one binding. But that
is not correct, because several Contact headers (as several other SIP headers
as well) can be written in one line separated by commatas.
svn path=/trunk/; revision=12507
Also move ncp222.py, x11-fields, process-x11-fields.pl,
make-reg-dotc, and make-reg-dotc.py.
Adjust #include lines in files that include packet-*.h
files.
svn path=/trunk/; revision=11410