Adjusted title bar colors for iOS7
Eliminated back button text for the main menu in iOS7
Make sure separator lines go all the way across the screen in iOS 7
Added parsing function to get link to fetch more articles
Added fetching more articles when scrolling down
Refactored article VC a little so the "Ask HN" and "New" sections would update on scroll
Refactored downloadController to use NSURL
"code" tags formatted correctly
"code" tags formatted correctly
Merge branch 'master' of https://github.com/mds6058/HackerNews
Merge branch 'master' of https://github.com/mds6058/HackerNews