Complete cleanup and rewrite. Added lots of documentation and fixed some

minor bugs.

Currently does not use the netwatch.

diff --git a/sdtxt.c b/dns_sd_txt.c
similarity index 100%
rename from sdtxt.c
rename to dns_sd_txt.c

diff --git a/sdtxt.h b/dns_sd_txt.h
similarity index 100%
rename from sdtxt.h
rename to dns_sd_txt.h

diff --git a/1035.c b/rfc1035.c
similarity index 100%
rename from 1035.c
rename to rfc1035.c

diff --git a/1035.h b/rfc1035.h
similarity index 100%
rename from 1035.h
rename to rfc1035.h

diff --git a/xht.c b/shash.c
similarity index 100%
rename from xht.c
rename to shash.c

diff --git a/xht.h b/shash.h
similarity index 100%
rename from xht.h
rename to shash.h