Update TodoMVC based on https://github.com/polymer/todomvc

samples/third_party/todomvc/.buildlog

Index: samples/third_party/todomvc/.buildlog
diff --git a/samples/third_party/todomvc/.buildlog b/samples/third_party/todomvc/.buildlog
deleted file mode 100644
index b4bf99114804b46b0508e9496f443d23dfeed4b1..0000000000000000000000000000000000000000
--- a/samples/third_party/todomvc/.buildlog
+++ /dev/null
@@ -1,127 +0,0 @@
----
-build.dart --machine --full
-[{"method":"error","params":{"file":"web/index.html","message":"To run a polymer applications, make sure to include '<script type=\"application/dart\" src=\"packages/polymer/init.dart\"></script>' in your page, after all HTML imports.","line":17,"charStart":596,"charEnd":602}}]
-build.dart finished [984 ms]
-
----
-build.dart --machine --full
-[{"method":"error","params":{"file":"web/index.html","message":"To run a polymer applications, make sure to include '<script type=\"application/dart\" src=\"packages/polymer/init.dart\"></script>' in your page, after all HTML imports.","line":17,"charStart":596,"charEnd":602}}]
-build.dart finished [1300 ms]
-
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-build.dart --machine --clean
-[{"method":"error","params":{"file":"web/index.html","message":"To run a polymer applications, make sure to include '<script type=\"application/dart\" src=\"packages/polymer/init.dart\"></script>' in your page, after all HTML imports.","line":17,"charStart":596,"charEnd":602}}]
-build.dart finished [958 ms]
-
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-build.dart --machine --full
-[{"method":"error","params":{"file":"web/index.html","message":"To run a polymer applications, make sure to include '<script type=\"application/dart\" src=\"packages/polymer/init.dart\"></script>' in your page, after all HTML imports.","line":17,"charStart":596,"charEnd":602}}]
-build.dart finished [1107 ms]
-
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-build.dart --machine --clean
-[{"method":"error","params":{"file":"web/index.html","message":"To run a polymer applications, make sure to include '<script type=\"application/dart\" src=\"packages/polymer/init.dart\"></script>' in your page, after all HTML imports.","line":17,"charStart":596,"charEnd":602}}]
-build.dart finished [943 ms]
-
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-build.dart --machine --full
-[{"method":"error","params":{"file":"web/index.html","message":"To run a polymer applications, make sure to include '<script type=\"application/dart\" src=\"packages/polymer/init.dart\"></script>' in your page, after all HTML imports.","line":17,"charStart":596,"charEnd":602}}]
-build.dart finished [1157 ms]
-
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-build.dart --machine --full
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-build.dart finished [1378 ms]
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-build.dart --machine --changed=test/mainpage_test.dart
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-build.dart finished [1039 ms]
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-build.dart --machine --changed=test/mainpage_test.dart
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-build.dart finished [956 ms]
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-build.dart --machine --clean
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-build.dart finished [939 ms]
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-build.dart --machine --full
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-build.dart finished [1112 ms]
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-build.dart --machine --changed=test/listorder_test.dart
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-build.dart finished [965 ms]
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-build.dart --machine --full
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-build.dart finished [1200 ms]
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-build.dart --machine --changed=test/listorder_test.dart
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-build.dart finished [1023 ms]
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-build.dart --machine --full
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-build.dart finished [1093 ms]
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-build.dart --machine --clean
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-build.dart finished [945 ms]
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-build.dart --machine --full
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-build.dart finished [1078 ms]
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----
-build.dart --machine --full
-Unhandled exception:
-'package:polymer/src/build/runner.dart': Error: line 86 pos 22: type 'Options' is not loaded
-  var dartExec = new Options().executable;
-                     ^
-malformed type used.
-#0      _readPackageDirsFromPub (package:polymer/src/build/runner.dart:86:22)
-#1      BarbackOptions.BarbackOptions (package:polymer/src/build/runner.dart:50:50)
-#2      lint (package:polymer/builder.dart:150:25)
-#3      build (package:polymer/builder.dart:117:14)
-#4      main (file:///Users/shailentuli/workspace/dart-repo/dart/samples/third_party/todomvc/build.dart:9:8)
-build.dart finished [584 ms]
-
----
-build.dart --machine --clean
-Unhandled exception:
-'package:polymer/src/build/runner.dart': Error: line 86 pos 22: type 'Options' is not loaded
-  var dartExec = new Options().executable;
-                     ^
-malformed type used.
-#0      _readPackageDirsFromPub (package:polymer/src/build/runner.dart:86:22)
-#1      BarbackOptions.BarbackOptions (package:polymer/src/build/runner.dart:50:50)
-#2      lint (package:polymer/builder.dart:150:25)
-#3      build (package:polymer/builder.dart:117:14)
-#4      main (file:///Users/shailentuli/workspace/dart-repo/dart/samples/third_party/todomvc/build.dart:9:8)
-build.dart finished [322 ms]
-
----
-build.dart --machine --full
-Unhandled exception:
-'package:polymer/src/build/runner.dart': Error: line 86 pos 22: type 'Options' is not loaded
-  var dartExec = new Options().executable;
-                     ^
-malformed type used.
-#0      _readPackageDirsFromPub (package:polymer/src/build/runner.dart:86:22)
-#1      BarbackOptions.BarbackOptions (package:polymer/src/build/runner.dart:50:50)
-#2      lint (package:polymer/builder.dart:150:25)
-#3      build (package:polymer/builder.dart:117:14)
-#4      main (file:///Users/shailentuli/workspace/dart-repo/dart/samples/third_party/todomvc/build.dart:9:8)
-build.dart finished [339 ms]
-