Add linktest to osfeature set.

sql/database-create.sql

@@ -1385,7 +1385,7 @@ CREATE TABLE os_info (
   path tinytext,
   magic tinytext,
   machinetype varchar(30) NOT NULL default '',
-  osfeatures set('ping','ssh','ipod','isup','veths','mlinks') default NULL,
+  osfeatures set('ping','ssh','ipod','isup','veths','mlinks','linktest') default NULL,
   ezid tinyint(4) NOT NULL default '0',
   shared tinyint(4) NOT NULL default '0',
   mustclean tinyint(4) NOT NULL default '1',
@@ -1580,6 +1580,8 @@ CREATE TABLE projects (
   control_node varchar(10) default NULL,
   unix_gid smallint(5) unsigned NOT NULL auto_increment,
   approved tinyint(4) default '0',
+  inactive tinyint(4) default '0',
+  date_inactive datetime default NULL,
   public tinyint(4) NOT NULL default '0',
   public_whynot tinytext,
   expt_count mediumint(8) unsigned default '0',

sql/database-migrate.txt

@@ -2869,4 +2869,8 @@ last_net_act,last_cpu_act,last_ext_act);
 
 	mysql tbdb < libtblog.sql
 
+4.17: Add linktest feature.
+
+       alter table os_info change osfeatures osfeatures \
+	set('ping','ssh','ipod','isup','veths','mlinks','linktest') default NULL;