Merge pull request #4 from JustSilverman/database

Updated Rakefile and added shells for view and controller
Added complete? to list_item and updated view
Merge pull request #5 from JustSilverman/view

Added complete? to list_item and updated view
updated controller to send ListItem object to view
Merge branch 'master' into list_items
Merge pull request #6 from JustSilverman/list_items

List items
Required list_items and populated database
Merge branch 'master' into database