Added original authors with fill name and link.
Removed some unused code
Extracted DemoCollectionPagerAdapter and WeekdayHelper from Menus
Optimized imports, resolved some warnings
Moved some classes to a more apropriate package
Extracted MenuListingAdapter from MenuListingFragment

Also the menu order has been fixed.
Checking for a correct projection in MenuContentProvider
The web button brings the user directly to the restaurants page now
Added many documentation todos