Adding preferences for offline story limit and image download concurrency.
Adding preference to use either native browser context menu or NewsBlur's context menu.
Better title for contextmenu pref.
Removing unneeded dependencies.
Fixing hidden story indicator button on intelligence slide.
Fixing right-click menu when opening with menu icon.
Further fixing context menu.
Changed the read later success confirmation to use the checkmark HUD instead of an alert view.
In manual mark as read mode, clicking on a story *should* mark it as read.
Cleaning up text on preference for manual mark as read.
Fixing small text importer bug with missing encodings.
Adding media symlinks for ios.
Adding necessary exception handling to text view.
Adding missing folder feeds to USF.
Typo in missing feeds adder.
Merge branch 'master' into offline

* master:
  Typo in missing feeds adder.
  Adding missing folder feeds to USF.
  Adding necessary exception handling to text view.
  Adding media symlinks for ios.
  Fixing small text importer bug with missing encodings.
  Cleaning up text on preference for manual mark as read.
  In manual mark as read mode, clicking on a story *should* mark it as read.
  Further fixing context menu.
  Fixing right-click menu when opening with menu icon.
  Fixing hidden story indicator button on intelligence slide.
  Removing unneeded dependencies.
  Better title for contextmenu pref.
  Adding preference to use either native browser context menu or NewsBlur's context menu.
Merge branch 'offline'

* offline:
  Adding preferences for offline story limit and image download concurrency.
Trimming river URL by allowing 'f' to be used as a feed id parameter.
Fixing iOS crash on empty unread stories by providing correct data structure. Thanks to @linnet for spotting the bug.
Merge pull request #360 from linnet/hud-notifications

iOS: Use checkmark HUD instead of alert view when posting to read later service