Merge branch 'master' of http://git.ispconfig.org/ispconfig/ispconfig3

interface/lib/classes/tform.inc.php

interface/lib/classes/tform_base.inc.php

interface/web/js/uni-form/uni-form.jquery.js

interface/web/sites/templates/ftp_user_advanced.htm

interface/web/sites/templates/ftp_user_advanced_client.htm

...efault/assets/javascripts/bootstrap-datetimepicker.min.js

interface/web/themes/default/assets/javascripts/ispconfig.js

...ce/web/themes/default/assets/javascripts/ispconfig.min.js

...fault/assets/stylesheets/bootstrap-datetimepicker.min.css

interface/web/themes/default/templates/main.tpl.htm

interface/web/vm/openvz_vm_edit.php

interface/web/vm/templates/openvz_vm_edit.htm