Formidable gadget leaker Evan Blass—a.k.a. @evleaks—stripped away nearly all the mystery from LG’s forthcoming G4, dumping a truckload of images and teaser material that shine further light on the next flagship smartphone. They give us a pretty complete picture as to how the G4 will look, showing a phone that will offer some Moto X-style customization with various back covers. …