Ebay’s PayPal has acquired Chicago-based payments gateway Braintree, in an all-cash deal worth $800 million. We had originally reported that Braintree was on the block, with Square and PayPal both in acquisition talks for the company. Although owner eBay is leading on the news, the intention is to combine Braintree with its PayPal payments business. “Braintree is a perfect fit with PayPal,” said e