[REFACTORING] Databasemodel to src

core/Models/ContactModelAbstract.php

core/Models/DocserverModelAbstract.php

core/Models/DocserverTypeModelAbstract.php

core/Models/GroupModelAbstract.php

core/Models/LinkModelAbstract.php

core/Models/ResDocserverModelAbstract.php

core/Models/ResExtModelAbstract.php

core/Models/SecurityModelAbstract.php

core/Models/UserModelAbstract.php

core/Test/ResControllerTest.php

core/Test/UserControllerTest.php

modules/attachments/Models/AttachmentsModelAbstract.php

modules/attachments/Models/ReconciliationModelAbstract.php

modules/convert/Models/ProcessConvertModelAbstract.php

modules/convert/Models/ProcessFulltextModelAbstract.php

modules/convert/Models/ProcessThumbnailsModelAbstract.php

modules/entities/Models/ListModelsModelAbstract.php

modules/notes/Models/NoteModelAbstract.php

modules/sendmail/mail_form.php

modules/thumbnails/class/class_modules_tools.php