Add category to extract XML nodes from MWFeedItem contents
Extract texts in <p> of feed item HTML content
Restart ICFeedItemContentViewController

* Display title, date, one picture, and contents extract from <p> tags in the post (feed item)
Display picture and date in feed item content view
Remove old ICContentViewController and clean up

* Tweak picture padding in feed item content view
Merge pull request #3 from polydice/feature/feedItemContent

Feature/feed item content