FEAT #12003 TIME 0:15 renamed ServiceModel to PrivilegeModel + cleaned code

...sendmail/Controllers/ReceiveMessageExchangeController.php

src/app/action/controllers/ActionController.php

src/app/basket/controllers/BasketController.php

...app/configuration/controllers/ConfigurationController.php

src/app/contact/controllers/ContactController.php

src/app/contact/controllers/ContactGroupController.php

src/app/customField/controllers/CustomFieldController.php

src/app/docserver/controllers/DocserverController.php

src/app/docserver/controllers/DocserverTypeController.php

src/app/doctype/controllers/DoctypeController.php

src/app/doctype/controllers/FirstLevelController.php

src/app/doctype/controllers/SecondLevelController.php

src/app/email/controllers/EmailController.php

src/app/entity/controllers/EntityController.php

src/app/entity/controllers/EntitySeparatorController.php

src/app/entity/controllers/ListTemplateController.php

src/app/folder/controllers/FolderController.php

src/app/group/controllers/GroupController.php

src/app/group/controllers/PrivilegeController.php

src/app/group/models/PrivilegeModel.php