Details page: groups same items sequentially together instead of combining them
Details page: Added sub check box for shopping list
Details page: fixed javascript var name
Details page: added a counter to avoid confusion in the case when deleting two items with the same name and quantity
Changed some variable names
Modified sorting function
Summary page: not show delivery windows with only pending orders
Summary page: Added day of the week
Merge pull request #26 from this-username-is-taken/details

Details page: group same items together in shopping list
Merge pull request #28 from this-username-is-taken/day_of_the_week

Summary page: Added day of the week
filter once
Merge pull request #27 from this-username-is-taken/pending_order_fix

Summary page: not show delivery windows with only pending orders
Fix: wrong usage of reduce function when sorting order_items.
Merge pull request #29 from gregwym/fix-detail

Fix: wrong usage of reduce function in sorting order_items.
Fix: shopping page image url.
Merge pull request #30 from gregwym/shopping-img

Fix: shopping page image url.
Fix: Delivery summary page display delivery windows in date and time order.
Merge pull request #31 from gregwym/summary-order

Fix: Delivery summary page display delivery windows in date and time ord...
Fix: Filter unpaid invoices out of destination page.
Merge pull request #32 from gregwym/destination-filter

Fix: Filter unpaid invoices out of destination page.