Create flytocart_icon_cart.html

Added demo for using flytocart with icon cart and thumbnail
Create flytocart_single_image.html

Added demo for single image and icon cart
Rename jquery.flytoCart-1.0.js to jquery.flytoCart-1.2.js
Merge pull request #3 from Pigrecolab/patch-1

Create flytocart_icon_cart.html