'Events' updates

Switch to auto-synthesized properties and use subscripting.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Fix the type signatures for CoreDataManager methods where collections are returned.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Event maintenance - data/data management

Code cleanup, switched to auto-synthesized properties and subscripting and array/dictionary literals for the Events data management classes.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Events maintenance - event views

Code cleanup, switched to auto-synthesized properties and subscripting and array/dictionary literals for the Calendar map-related classes

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Events & News fixes

Code cleanup, switched to auto-synthesized properties and subscripting and array/dictionary literals for rest of the Events module classes. Updates the StoryListViewController to fix errors after correcting the type signatures in the CoreDataManager

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Merge Events module updates. Resolves #7

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