Add german and italian languages.
Separate product item code to a new view.
Remove RSS button and enable Twitter and Facebook links.
Disable wishlist button.
Display only a fixed height of description text to avoid misaligned items.
Improve product item display.

- Allow add to cart button to be wider for some languages, to avoid
breaking the design.
- Hide overflow text when autoellipsis library is not properly working.
Remove wishlist and quick review from product detail.
Improve checkout page.

- Allow registration, login and guest purchase.
- Show cart detail and price detail.
Add tax information to checkout and cart pages.