Apple has released watchOS 2, the first major software update for its Apple Watch. The 515MB update was delayed last week, missing its launch date last Wednesday due to a bug. The list of new features and capabilities within the update is lengthy. Users can update to watchOS 2 from the Apple Watch app on the iPhone paired to the smartwatch — Apple Watch must be in range of the iPhone connected to Wi-Fi, with Apple also suggesting the watch be connected…