FIX: Crash on "mark as unread"
More rework of feed item list to deal with missing feeds.
New view: full view, the opposite of list view.
Working on the kicks. Now scrolls river feed header smoothly. Also toggling shift+enter and enter to return from temp story/text view.
Turning off progress bar on river. Fixing Show Hidden Stories indicator to show when there are either hidden stories or a negative unread count.
Positioning mouse indicator correctly.
Fix button cutoff CSS bug

Before:
![newsblur before](http://imgh.us/newsblur.png)

After:
![newsblur after](http://imgh.us/newsblur_2.png)
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into full_view

* master:
  Removing de-duped feeds from autocomplete.
  Ensuring only non-branched feeds show up in autocomplete.
Fixing empty story explainer (for single story mode).
Normaling user agents between feed/page/icon fetchers. Adding full site permalink.
Merge branch 'master' into full_view

* master:
  Normaling user agents between feed/page/icon fetchers. Adding full site permalink.
Clearing selected story notifier.
Fixing esc key to close popovers and menus without closing current feed.
Fixing text view.
Normaling user agents between feed/page/icon fetchers. Adding full site permalink.
Merge branch 'full_view'

* full_view:
  Fixing text view.
  Fixing esc key to close popovers and menus without closing current feed.
  Clearing selected story notifier.
  Normaling user agents between feed/page/icon fetchers. Adding full site permalink.
  Fixing empty story explainer (for single story mode).
  Positioning mouse indicator correctly.
  Turning off progress bar on river. Fixing Show Hidden Stories indicator to show when there are either hidden stories or a negative unread count.
  Working on the kicks. Now scrolls river feed header smoothly. Also toggling shift+enter and enter to return from temp story/text view.
  New view: full view, the opposite of list view.
Fixing spacebar and arrow keys for new scroll story list.
Fixing autocomplete to not choke on missing feeds.
More error handling improvements.  Added developer debug mode.