News

I added two Podfiles, FormatterKit for formatting dates and MWFeedParser to decode HTML escapes. The news functionality is almost done for these 3 functionalities.

Search - I don't know what endpoints to hit
Time/Date of Article - I'm not sure if the time difference on the 2nd view controller (x hours ago) is correct. It shows me weird values for Business, Law, Society. The method of calculation is also different from the previous YalePublic app. I'm using the FormatterKit for calculating the time difference. Can you please take a look @hengchu ?
Navigation bar for embedded view - I'm not sure if the WKWebView supports the navigation bar (back, forward, refresh, open in safari), not sure if it's needed either
Consider switch statement instead of if else branches