Add IsLeader($user) method to project class.

www/project_defs.php

 <?php
 #
-# Copyright (c) 2006-2016 University of Utah and the Flux Group.
+# Copyright (c) 2006-2017 University of Utah and the Flux Group.
 # 
 # {{{EMULAB-LICENSE
 # 
@@ -481,6 +481,14 @@ class Project
 	}
 	return $leader;
     }
+    # Boolean test.
+    function IsLeader($user) {
+        $leader = $this->GetLeader();
+        if ($user->SameUser($leader)) {
+            return 1;
+        }
+        return 0;
+    }
 
     #
     # Add *new* member to project group; starts out with trust=none.