Close#1807
Squashed commit of the following:
commit 9d3e2809df056354bb6195abf8106616c1e214b1
Author: Simon Zolin <s.zolin@adguard.com>
Date: Wed Jun 17 19:23:15 2020 +0300
improve
commit 9b8c7104560c9c80f848f15818d49a065a38e498
Author: Simon Zolin <s.zolin@adguard.com>
Date: Wed Jun 17 11:07:56 2020 +0300
* auto-hosts: support '#' comments after ip and hosts