[REFACTORING] Contact to src + unit tests

core/Test/ContactControllerTest.php

modules/export_seda/Purge.php

modules/visa/Controllers/VisaController.php

src/app/contact/controllers/ContactController.php

src/app/contact/models/ContactModel.php

src/app/contact/models/ContactModelAbstract.php

src/app/docserver/controllers/DocserverController.php

src/app/template/controllers/TemplateController.php

src/core/controllers/StoreController.php