This is the last version that supports autoconf, and this update is
only because it's a reasonable benefit/cost tradeoff as an
intermediaate step. Tested on netbsd-9/earmv7hf-el.
Upstream chanages:
many bug fixes and improvements
zoneminder API
Multiserver
limted ONVIF support
See more at
https://github.com/ZoneMinder/zoneminder/releases/tag/v1.29.0-rc2 and
before and after.
Note that when updating, one must run zmupdate to modify the db schema.
