FULL PACKAGE with UPDATE instructions

Since v2.5.x
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* Updated code for reciprocal xsell entries (thanks pedro.antunes)
* Added Portuguese language for admin (thanks pedro.antunes)
* Updated Step 14 for correct redirection of buy now button to product
so that all product ids are not the same product id after a product
is added to the shopping cart using the buy now button in the product
listing when redirect to shopping cart is set to "false"
* Corrected small typos in instructions
* Corrected the reset cache in admin to work properly AND display properly
* Corrected new image in admin to display properly

Scott

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