-Added item_code itemchange

SOrderForm.java
-Changes made to fix bug on itemchange of cust_code

system_entry.sql
-Defined pophelp for manufacturer and lock_group in item manufacturer menu


git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@191463 ce508802-f39f-4f6c-b175-0d175dae99d5