Pro photographers, Zach Garrett and John Barnett are the creators and developers behind the hugely popular Wood Camera photo and editing app for the iPhone. The app also allows you to share your photos to Facebook, Twitter, Flickr or Instagram. We’ll be reviewing the app shortly but in the meantime, we wanted to share some of the ‘behind the scenes’ work that prompted the app in an exclusive interview with the developers.   Conception JC – How was Wood Camera conceived and what were your thoughts about how it would it appeal in the marketplace, currently? ZG & JB – Both Bright Mango co-founder John Barnett and myself are avid…