Move sky/examples to sky/sdk/lib/example, and code changes to support that change. Fixes T277.

sky/examples/stocks2/lib/stock_row.dart

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'package:sky/painting/text_style.dart';
-import 'package:sky/rendering/box.dart';
-import 'package:sky/widgets/ink_well.dart';
-import 'package:sky/widgets/basic.dart';
-import 'package:sky/widgets/theme.dart';
-
-import 'stock_arrow.dart';
-import 'stock_data.dart';
-
-class StockRow extends Component {
-
-  StockRow({ Stock stock }) : this.stock = stock, super(key: stock.symbol);
-
-  final Stock stock;
-
-  static const double kHeight = 79.0;
-
-  Widget build() {
-    String lastSale = "\$${stock.lastSale.toStringAsFixed(2)}";
-
-    String changeInPrice = "${stock.percentChange.toStringAsFixed(2)}%";
-    if (stock.percentChange > 0) changeInPrice = "+" + changeInPrice;
-
-    List<Widget> children = [
-      new Container(
-        child: new StockArrow(percentChange: stock.percentChange),
-        margin: const EdgeDims.only(right: 5.0)
-      ),
-      new Flexible(
-        child: new Text(stock.symbol),
-        flex: 2
-      ),
-      new Flexible(
-        child: new Text(
-          lastSale,
-          style: const TextStyle(textAlign: TextAlign.right)
-        )
-      ),
-      new Flexible(
-        child: new Text(
-          changeInPrice,
-          style: Theme.of(this).text.caption.copyWith(textAlign: TextAlign.right)
-        )
-      )
-    ];
-
-    // TODO(hansmuller): An explicit |height| shouldn't be needed
-    return new InkWell(
-      child: new Container(
-        padding: const EdgeDims(16.0, 16.0, 20.0, 16.0),
-        height: kHeight,
-        decoration: const BoxDecoration(
-            border: const Border(
-                bottom: const BorderSide(color: const Color(0xFFF4F4F4)))),
-        child: new Flex(children)
-      )
-    );
-  }
-}