TS-2160: Add ats_is_ip_private and ats_is_ip_linklocal functions.
TS-2160: Remove use of ats_is_ip_nonroutable and replace with
ats_is_ip_linklocal and ats_is_ip_private.
TS-2160: Remove ats_is_ip_nonroutable.
TS-2160: Update CHANGES.