Update 'NewsModule' class [#13]
- ARC Compatibility
- Change the 'storyListChannelController' from a separate
ivar to a dynamic property; just typecast the current module
home controller, don't keep a second strong reference hanging around.
Update 'News' managed object subclasses [#13]
- Switch to ARC for the image, imageRep, and story classes
- Minor code cleanup in NewsStory
Update root view controller for 'News' [#13]
- ARC compatibility (enabled for StoryThumbnail and XML parser as well, build is broken)
- Move from static primitives for News categories to class methods. The
  method should be removed in the future since the view controller
  shouldn't be managing these.
- Switch to literals, convert bare instance variables to properties & general cleanup
Update the article view controller for 'News' [#13]

- ARC compatibility and convert bare instance variables to properties
- Switch to literals, subscripting, and general cleanup
Update story media gallery [#13]
- ARC compatibility and convert bare instance variables to properties
- Switch to literals and subscripting
Update story XML parser [#13]
- Enable ARC compatibility and convert bare instance variables to properties
- Switch to literals and subscripting
Update 'News' remote image views [#13]
- ARC compatibility and convert bare instance variables to properties
- Switch to literals and subscripting
- TODO: remove both of these classes. There are better alternatives and
  views should *not* be managing data.
Update background view for navigation scroller [#13]
- ARC compatibility
Facebook SDK no longer requires this bundle be added to the project

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Project file updates (Xcode)

Signed-off-by: Blake Skinner <bskinner@mit.edu>
'News' module modernization. Fixes #13

Update 'News' module classes to use ARC, replace bare ivars with properties, convert to literals/subscripting and general cleanup.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Hide internal properties [#1]

Move the internally used mutable container objects into the class extension. Mutable container properties (especially ones that maintain state) should never be public.

Signed-off-by: Blake Skinner <bskinner@mit.edu>