Added Debian Jessie to version detection code.

install/lib/install.lib.php

@@ -178,6 +178,12 @@ function get_distname() {
 			$distid = 'debian60';
 			$distbaseid = 'debian';
 			swriteln("Operating System: Debian 7.0 (Wheezy/Sid) or compatible\n");
+		} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '8') || substr(trim(file_get_contents('/etc/debian_version')),0,1) == '8') {
+			$distname = 'Debian';
+			$distver = 'Jessie';
+			$distid = 'debian60';
+			$distbaseid = 'debian';
+			swriteln("Operating System: Debian 8.0 (Jessie) or compatible\n");
 		} else {
 			$distname = 'Debian';
 			$distver = 'Unknown';

server/lib/classes/monitor_tools.inc.php

@@ -149,6 +149,11 @@ class monitor_tools {
 				$distver = 'Wheezy/Sid';
 				$distid = 'debian60';
 				$distbaseid = 'debian';
+			} elseif(strstr(trim(file_get_contents('/etc/debian_version')), '8') || substr(trim(file_get_contents('/etc/debian_version')),0,1) == '8') {
+				$distname = 'Debian';
+				$distver = 'Jessie';
+				$distid = 'debian60';
+				$distbaseid = 'debian';
 			} else {
 				$distname = 'Debian';
 				$distver = 'Unknown';