Update README.md
Update README.md
Merge branch 'release-v1.1.8.5'
[#160] SKU field should be hidden if there is no SKU
Merge pull request #161 from lewellyn/Issue160

[#160] SKU field should be hidden if there is no SKU
Merge remote-tracking branch 'origin/develop'
[#211]Make the variants works correctly in the product info page of
bootstrap template
[#211]Make the variants selection works normally in the product info
page as the ajax shopping cart box is enabled in the bootstrap.
[#212]Make it possible to enable the cart confirmation dialog even if 
the shopping cart box is enabled.
[#209] Make it possible to add different variants products into the 
wishilist. Moreover, Add the message stack for the wishlist add action.
[#209]Add the language definition for the wishlist add action
[#209]Update the variants wishlists products table. I don't know why 
the wishlists_id and wishlists_products_id column result in the sql 
error. In this case, i have to rename the two column to clear the error
[#211]Improve the javascript code to prevent the js error to thrown 
when some html elements missing in the template.
[#209]Remove the wishlist variants products table and adjust wishlist 
products talbe to make it possible to add the varaints products into
the wishlist effiently and easily.
[#209]Make the snchonizaiton with the database work perfectly. Support
the variants products in the wishlist
[#209]Make the delete action work with variants products
[#209]Remove the duplicate code to deal with the variants products
[#209]Make the update comment action perform correctly for the variants
products
[#209]Make the update comment action perform correctly for variants 
products
[#209]Make the add to cart work normally in the wishlist