iOS 8’s SpringBoard includes code to run two apps side-by-side, according to a tweet from developer Steven Troughton-Smith. He notes that the code anticipates that side-by-side apps will be run at 1/4, 1/2, or 3/4 size. While a previous report noted that Apple would add split-screen multitasking to iOS 8, Apple did not discuss the feature during its WWDC keynote. So… just in case there was any doubt left… iOS 8’s SpringBoard…