Added a primary contact for each customer, as there must be someone (or some entity) to contact for every customer. This simply makes it explicit, and has the added benefit of being easier to work with when querying.

git-svn-id: file:///svn-source/pmgr/branches/ledger_transactions_20090605@104 97e9348a-65ac-dc4b-aefc-98561f571b83

site/models/customer.php

@@ -9,6 +9,9 @@ class Customer extends AppModel {
 
 	var $belongsTo = array(
 		'Account',
+		'PrimaryContact' => array(
+			'className' => 'Contact',
+		),
 	);
 
 	var $hasMany = array(