add activity items to the webviewcontroller
Merge pull request #1 from mazzaroth/feature/uiactivity

add activity items to the webviewcontroller
turn off swiping left in list view(this reader has a single section only)
temporarily hardcode to article that causes the infinite loading bug
Merge branch 'feature/live_comments' of https://github.com/mazzaroth/Hacker-News-for-iOS into feature/live_comments