waterfox-ublock-origin for Devuan

Initial release of waterfox-ublock-origin for devuan.
Build orig tarball to resemble:
$ tar -ztf waterfox-ublock-origin_1.16.4.8.orig.tar.gz 
waterfox-ublock-origin/
waterfox-ublock-origin/uBlock0.firefox-legacy.xpi

 -- B Stack <bgstack15@gmail.com> Wed, 13 Feb 2019 17:38:58 -0500