So far it's been looking like the iPhone 7 could be light on new features, but one more might have just been added to the list.According to Twitter tipster @the_malignant, quoting Chinese sources, the iPhone 7 will support fast charging of at least 5 volts/2 amps. That's up from 5 watts/1 amp on the iPhone 6S and would bring the iPhone 7 more in line...