Add "Employee number" to the list of possible reconciliation keys for the class Person.

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2754 a333f486-631f-4898-b8df-5754b55c2be0

datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml

@@ -470,6 +470,7 @@
             <attribute id="org_id"/>
             <attribute id="org_name"/>
             <attribute id="email"/>
+            <attribute id="employee_number"/>
           </attributes>
         </reconciliation>
       </properties>