Added the ability to update a Product. (ProductDAO->save(Product product))
Added product_price to Product class and IProduct.
Added product price to Product table.
Added a product name textfield.
Added UndoRedo to product name & description.
Added Savable to product name & description.
BeanTreeTopComponent now opens in explorer mode, not editor mode.

[ProductEditorTopComponent]
productDescription textarea now resizes somewhat better vertically.
Some changes to the README.md to be more up to date.
updated .gitignore that should have been updated some time ago.