Add devuan 1.0.0

Add devuan jessie, see https://devuan.org/os/debian-fork/stable-jessie-announce-052517

os_list.txt

@@ -110,6 +110,7 @@ Ubuntu Linux			$1	debian-linux	9.0	$etc_issue =~ /Ubuntu.*\s(16\.[0-9\.]+)\s/i |
 Ubuntu Linux			$1	debian-linux	3.1	$etc_issue =~ /Ubuntu.*\s([0-9\.]+)\s/i
 Mepis Linux			$1	debian-linux	$1	$etc_issue =~ /MEPIS/ && `cat /etc/debian_version 2>/dev/null` =~ /([0-9\.]+)/
 Mepis Linux			$1	debian-linux	4.0	$etc_issue =~ /MEPIS/ && `cat /etc/debian_version 2>/dev/null` =~ /(stable)/
+Devuan Linux		1.0	debian-linux	8.0	`cat /etc/devuan_version 2>/dev/null` =~ /^(jessie)/i
 
 # Linux Mint (Mint should be before Debian to avoid false-positive)
 Linux Mint			6	debian-linux	5.0	`cat /etc/lsb-release 2>/dev/null | grep DISTRIB_DESCRIPTION` =~ /^DISTRIB_DESCRIPTION="Linux Mint 6 Felicia"/