add show all products functionality
	modified:   Ready2Serve/.zfproject.xml
	modified:   Ready2Serve/application/controllers/ProductController.php
	modified:   Ready2Serve/application/layouts/scripts/sidebar.phtml
	modified:   Ready2Serve/application/models/Product.php
	new file:   Ready2Serve/application/views/scripts/product/show-all-products.phtml