Added RFC 7155
Fixes for deprecated libcouchbase functions
Set prefix for Client-Src-IP-Address, too
Depend on krb5-libs, not krb5
Fix previous commit... should be setting prefix on src_ipaddr field
Check for null leaf values when parsing JSON structures. Fixes #790
Fix dynamic client debug messages
fr_ipaddr_cmp should compare prefixes too 0.0.0.0/1 != 0.0.0.0/0