Removes unused basket styles
Adds note texts for descriptions
Adds setCommunication() method to provider interface and implements _getCommunication()
Adds working back button to address checkout client
Adds first working version of delivery checkout client
Adds service provider for direct debit payment method
Adds direct debit test data
Improves error handling and tests
First full implementation and tests of delivery checkout client
Bugfixes in delivery checkout client
Initial version of payment checkout client
Uses only those directories with real tests
Removes comment with debug code
Extends calcPrice() of service provider to be tolerant if no price is available
Adds getServicePrice() to service controller
Adds price for service items and moves translation hint to owning client
Merge pull request #27 from nsendetzky/master

Adds delivery and payment in checkout