created classes
Merge branch 'master' into refactor/itemandstoreclasses
DataSourceController is finished except for version controller for new 'no store name' string change
added TODO reminders / changed variable name to be more appropriate
fixed ShoppingListViewController && ShoppingItemViewController / adjustments to Store && DataSourceController
started fixing ShoppingItemViewController
refactor complete / testing not complete
replace method name to more appropriate name
update sorting algorithm
fix merge conflict
fixed issue with dataSource.itemsSortList being created as NSArray instead of NSMutableArray
fixed merge conflict
fix itemsSortList property on DataSourceController