The middle mark of 2014 is fast approaching and with this comes increasing interest about what Apple Inc. (NASDAQ:AAPL) will debut for its newest iPhone yet – the iPhone 6. Donald Bell, senior editor at CNET, rounds up the site’s top five iPhone rumors. Claiming the fifth spot on the CNET list is the iPhone 6’s new button design and placement. Bell notes that the Apple Inc. (NASDAQ:AAPL)’s new iPhone could have oval volume buttons and that its power button will be located on the side of the phone as opposed to it being on top of the phone as it has…