Add interfaces to VF_Model_Product and VF_Catalog_Model_Product
Add Todo
Add VF_Vehicle class that must be passed to customPrice method
Modify testsuite to just point to VF src folder
Fix Exception Throwing to Invalid Class Elite_Vaf_Exception_DefinitionNotFound. Created new Exception Class called VF_Exception_DefinitionNotFound to fix.
Skip tests that are failing for review on moving them to Vehiclefits-Magento Repository.
Have constructor initialize $this->schema