[Serusers] Domain module

[Juha Heinanen]

harry gaillac writes:

 > I add this function in my conf file now i can call
 > others domains however we don't find this function
 > anywhere else that domain.c 

is_uri_host_local() function was missing from domain README file.  i'll
try to add it to the sgml document, but cannot guarantee correctness of
the resulting sgml, because Makefile doesn't generate README file from
sgml file.

-- juha