Added InterCo bill type

lib/earned-value.tcl

@@ -210,7 +210,7 @@ set logged_cash_sql "
 			im_costs c
 		where	parent.project_id = :main_project_id and
 			child.tree_sortkey between parent.tree_sortkey and tree_right(parent.tree_sortkey) and
-			c.cost_type_id in ([join [im_sub_categories [im_cost_type_bill]] ","]) and
+			c.cost_type_id in ([join [im_sub_categories [list [im_cost_type_bill] [im_cost_type_interco_bill]] ] ","]) and
 			(child.project_id = c.project_id
 			OR c.cost_id in (
 				select	r.object_id_two