Added 'admin' flag column to plab_slices. This identifies the slice(s) that

are considered part of the emulab service.  I've set it for 'utah_elab_svc'.

sql/database-create.sql

@@ -1036,6 +1036,7 @@ CREATE TABLE plab_slices (
   slicename varchar(64) NOT NULL default '',
   slicemeta text,
   leaseend datetime default NULL,
+  admin tinyint(1) default '0',
   PRIMARY KEY  (pid,eid)
 ) TYPE=MyISAM;
 

sql/database-migrate.txt

@@ -1389,3 +1389,8 @@ last_net_act,last_cpu_act,last_ext_act);
 1.231 add leaseend column to plab_slices table
 
        alter table plab_slices add column leaseend datetime default NULL;
+
+1.232 add isadmin column to plab_slices table
+
+       alter table plab_slices add column admin tinyint(1) default 0;
+