|#984|  +Anshul| renaming ftpOutputChannel to ftpErrorChannel
|#984|  unique index created for orderId + productCode in shipment_line_items
|#984|  +Anshul| refactored shipment file processor
|#984|  +Anshul| not inserting shipped line item further, after encountering error. Complete shipment file processed for orderIds even if there are errors