Add plabnodes counter to experiment_resources table.

sql/database-create.sql

@@ -177,6 +177,7 @@ CREATE TABLE experiment_resources (
   vnodes smallint(5) unsigned default '0',
   pnodes smallint(5) unsigned default '0',
   wanodes smallint(5) unsigned default '0',
+  plabnodes smallint(5) unsigned default '0',
   simnodes smallint(5) unsigned default '0',
   jailnodes smallint(5) unsigned default '0',
   delaynodes smallint(5) unsigned default '0',

sql/database-migrate.txt

@@ -948,3 +948,10 @@ last_net_act,last_cpu_act,last_ext_act);
 	   feature varchar(30) not null, weight float not null default 0.0,
 	   primary key (node_id,feature));
 
+
+1.181: Add plabnodes count to the experiment resource table so we can
+       track exactly how many slices an experiment is using.
+
+       alter table experiment_resources add
+          plabnodes smallint(5) unsigned default '0' after wanodes;
+	  
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