build sky_tools using travis

packages/flutter_tools/pubspec.yaml

+name: sky_tools
+version: 0.0.6
+description: Tools for building Sky applications
+homepage: https://github.com/domokit/sky_tools
 author: Chromium Authors <sky-dev@googlegroups.com>
+
+environment:
+  sdk: ">=1.8.0 <2.0.0"
+
 dependencies:
   args: ^0.13.0
   shelf: ^0.6.2
   shelf_static: ^0.2.3
-description: Tools for building Sky applications
-environment:
-  sdk: ">=1.8.0 <2.0.0"
-homepage: https://github.com/domokit/sky_tools
-name: sky_tools
-version: 0.0.6

packages/flutter_tools/tool/travis.sh

+#!/bin/bash
+
+# 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.
+
+# Fast fail the script on failures.
+set -e
+
+# Verify that the libraries are error free.
+dartanalyzer --fatal-warnings \
+  bin/build_sky_apk.dart \
+  lib/sky_server.dart