Log Message:
Update to 4.1.16

Changelog:
Apr 25, 2017
Features
    zone parser can parse acronyms for algorithms ED25519 and ED448.
    Fix 1243: Option to make NSD emit really minimal responses, \ 
minimal-responses: yes in nsd.conf.

Bugfixes
    Calculate new udb index after growing the array, fix from Chaofeng Liu.
    Fix missing _t to _type conversion for disable-radix-tree option.
    Printout serial error with hint it may be too big.
    Fix 1228: OpenSSL include is not guarded with HAVE_SSL
    Patch for expire state in multi-master when masters includes broken master, \ 
from Manabu Sonoda.
    minor manpage fix.