Change the name of Component.render to Component.build in Effen

sky/examples/stocks-fn/stockrow.dart

 part of stocksapp;
 
 class StockRow extends MaterialComponent {
 
   Stock stock;
 
   static Style _style = new Style('''
     transform: translateX(0);
     display: flex;
     align-items: center;
@@ skipping 16 matching lines @@
 
   static Style _changeStyle = new Style('''
     color: #8A8A8A;
     text-align: right;'''
   );
 
   StockRow({Stock stock}) : super(key: stock.symbol) {
     this.stock = stock;
   }
 
-  Node render() {
+  Node build() {
     String lastSale = "\$${stock.lastSale.toStringAsFixed(2)}";
 
     String changeInPrice = "${stock.percentChange.toStringAsFixed(2)}%";
     if (stock.percentChange > 0)
       changeInPrice = "+" + changeInPrice;
 
     List<Node> children = [
       new StockArrow(
         percentChange: stock.percentChange
       ),
       new Container(
         key: 'Ticker',
         style: _tickerStyle,
         children: [new Text(stock.symbol)]
       ),
       new Container(
         key: 'LastSale',
         style: _lastSaleStyle,
         children: [new Text(lastSale)]
       ),
       new Container(
         key: 'Change',
         style: _changeStyle,
         children: [new Text(changeInPrice)]
       )
     ];
 
-    children.add(super.render());
+    children.add(super.build());
 
     return new Container(
       style: _style,
       children: children
     );
   }
 }