Version 3.6 of the iOS app.
Merge branch 'bgfetch'

* bgfetch:
  Version 3.6 of the iOS app.
  Fixing tolerance on drag bar.
  Fixing switch between story titles on left and on bottom.
  Fixing disappearing righttoolbarmenu icons. Adding preferences for urls to use in-app browser, safari, or chrome.
  Fixing transition cancelation on interactive swipe on ipad.
  Fixing rotation issues, as well as premature hiding of dashboard on animation on ipad.
  Fixing interactive transitions.
  Fixing many issues with transitions on the ipad. Still need to fix the interactive transition completion.
  Fixing swipe-back on ipad for transitioning b/w feed list and feed detail.
  Resizing user avatar.
  Adding option for side swipe in story detail.
  Adding permalink to story header title on iOS.
  Toggling system font size shows/hides the feed/story list font size option. Also defaulting to not use system font size.
  Adding font size overrides.
  Optimizing the user label font.
  Adding Dynamic Text support for larger story and feed titles.
  Adding background fetching. For v3.6.