Add Custom Description for Vendor and Item

Was added Custom Description to:

• Item -> Vendor Tab;
• Vendor -> Item Tab.

Also were added the next Company settings:

• “Show manufacturing description” checkbox. If checkbox is checked -> the item Custom description is displayed on: PO order/PDF/Web, SLT order/PDF, IR order/PDF, Item Shipping Order, Bills Order/PDF, Vendor Credit Order/PDF;

• Link Item Settings “Show message to link item description” checkbox. If checkbox is checked -> after saving PO/IR/SLT/Bill/VendorCR/IS and item description was changed -> the message is displayed: “Do you want to link item description to Vendor? Yes/NO”;

• Link Item Settings “Automatically link item description to Vendor” checkbox. If checkbox is checked -> after saving PO/IR/SLT/Bill/VendorCR/IS and item description was changed -> item is automatically added to the Vendor with a new description.