add role to give Assignee permission to users with the same Hosting Subscription

Conflicts:

	master/bt5/vifib_erp5/bt/revision

master/bt5/vifib_erp5/PortalTypeRolesTemplateItem/Slave%20Instance.xml

@@ -15,6 +15,11 @@
    <property id='base_category_script'>ERP5Type_acquireSecurityFromOwner</property>
    <multi_property id='base_category'>source</multi_property>
   </role>
+  <role id='Assignee'>
+   <property id='title'>Slave Instance related by Hosting Subscription</property>
+   <property id='base_category_script'>ERP5Type_getSecurityCategoryFromAggregateMovementItemByHostingSubscription</property>
+   <multi_property id='base_category'>aggregate</multi_property>
+  </role>
   <role id='Assignee'>
    <property id='title'>Slave Instance related by Software Instance</property>
    <property id='base_category_script'>ERP5Type_getSecurityCategoryFromSoftwareInstance</property>

master/bt5/vifib_erp5/bt/revision

-303
+304
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