just little change to mongo schema, this don't permit use sonata userBundle properly

Author: mr29a

Resources/config/doctrine/model/User.mongodb.xml

@@ -33,7 +33,10 @@
         <field name="passwordRequestedAt" fieldName="passwordRequestedAt" type="date" />
 
         <field name="roles" fieldName="roles" type="collection" />
+        
+        <field name="credentialsExpired" column="credentials_expired" type="boolean" />
 
+        <field name="credentialsExpireAt" column="credentials_expire_at" type="datetime" />
         <indexes>
             <index unique="true" dropDups="true">
                 <key name="usernameCanonical" order="asc" />