Some improvements on the contact application

apps/contacts/ajax/addcard.php

apps/contacts/appinfo/info.xml

apps/contacts/css/formtastic.css

apps/contacts/css/styles.css

apps/contacts/js/interface.js

apps/contacts/templates/index.php

apps/contacts/templates/part.addcardform.php

apps/contacts/templates/part.addpropertyform.php

apps/contacts/templates/part.details.php

apps/contacts/templates/part.property.php

apps/contacts/templates/part.setpropertyform.php

apps/contacts/templates/settings.php