* fix bug in download_lists and adb_allow to prevent unintended exclisions from
the block-lists of domains containing allowed domain. Fixes issue:
https://github.com/stangri/source.openwrt.melmac.net/issues/160
* add support for returning NXDOMAIN/blocking iCloud & Mozilla canary domains,
disabled by default
Signed-off-by: Stan Grishin <stangri@melmac.ca>
(cherry picked from commit 9156ef6507)