Apple Pay is now available in more than two million retail locations, The Business Times reports. In addition, new merchants such as Crate & Barrel, Chick-fil-A, and Au Bon Pain have begun rolling out Apple Pay in their stores. Last year, Apple set a goal to make Apple Pay available in 1.5 million locations by the end of 2015, and not only has the company exceeded that goal, but Apple notes the volume of in-app purchases using Apple Pay have more…