converted Khan Academy to Spice2
Merge branch 'spice2' of github.com:duckduckgo/zeroclickinfo-spice into spice2

* 'spice2' of github.com:duckduckgo/zeroclickinfo-spice:
  Converted tabs into spaces.
  Album: Added some error checking.
  Album: Moved Last.fm Album plugin to Spice 2.
  Artist: Changed div tag to a span tag.
  ArtistAlbum: Updated template.js
  ArtistAlbum: Artist should not be in the list.
  Bitly: Removed unnecessary template.
  UserAgent: Code is much smaller now.
  Added ArtistAlbum plugin to Spice 2.
  User Agent - JS version.
  Set Flash Version status to "enabled."
  Flash Plugin: Added comments and a message if Flash is not available.
  Flash Version: Now on Spice 2.
  Removed the QR code from Bitly.
  Bitly: Bigger QR code, and I also added the original link.
  Bitly modifications: