deserialize method
Deserializes the FML template elements, attributes and children
Implementation
@override
void deserialize(XmlElement xml) {
// deserialize
super.deserialize(xml);
// properties
url = Xml.get(node: xml, tag: 'url');
enabled = Xml.get(node: xml, tag: 'enabled');
controls = Xml.get(node: xml, tag: 'controls');
loop = Xml.get(node: xml, tag: 'loop');
onInitialized = Xml.get(node: xml, tag: 'oninitialized');
}