Merge branch 'master' of github.com:samuelclay/NewsBlur

* 'master' of github.com:samuelclay/NewsBlur:
  Fixing text shadows.
  Styling reply/edit buttons.
  Forcing a decent timelimit on story cleanup task.
  Fixing broken profile editor dialog.
  Changing story scroll offset on blurblogs.
  Fixing blurblog scrolling on iphone. Fixed offset of folder menu. Changing modal shadow.
  Launching read folder with All stories and not just unread stories.
  Oldest first goes back two weeks on all stories.
  Using mark_read_date in all stories read_filter by folder.
  Fixing all read_filter for folders by including hidden feeds. Also marking stories beyond the unread cutoff as read, hoping the redis store of read stories takes care of the rest.
  Speeding up All Site Stories. Also beta-ing river with read_filter of all (not just unread).
Upgrading to latest Backbone and Underscore. May break shit.