ACL test veryfing no negative impact of new model exceptions

Easier black box tests configuration during task 4

added check for old model and new model equality

model equality check done. job done

new model tests and empty implementation added

removed some black-box tests as they will be implemented during the c…

…lass

initial sources with big ball of mud added

removed some implementation from LendingQueryFacade as it will be don…

…e during the class