remove validation of DueDate
mustache
add a few tests

Still much work to do
refactoring
unittest attachment + fix
add PaymentCollection tests
Merge master into unitTestPayment
fix AddAttachment validation
Merge pull request #21 from Klockz/unitTestPayment

Unit test payment
use CollectionAsserts
Merge remote-tracking branch 'origin/master' into unitTestPaymentCollection
Added Customer

Mapper, entity, Collection, Controller
Added some fixes for Customer + TESTS TESTS TESTS
doing some more test fixing.

Allows Whitespace and Null for naming in customer....
Merge pull request #22 from Klockz/unitTestPaymentCollection

add PaymentCollection tests
Fixed some test and comments.

added tests.
fix merge
Merge remote-tracking branch 'origin/master' into Customer-lasse
remove props from ICustomer
fix moved files