code: function(dest_container, source_container, property_name) {
  
  		var name,
  			dest = dest_container[property_name],
  			source = source_container[property_name];
  
  		for (name in source) {
  
  			if (!(name in dest)) {
  
  				dest[name] = source[name];
  
  			}
  
  		}
  
  	}
docs: Common property merging algorithm, suitable for most cases
  @param {_cWidget} dest_container The child config
  @param {_cWidget} source_container The parent config
  @param {string} property_name The name of the property to merge