dart-lang/spark — pull request #1041 by sunglim (2014-02-08 17:39:09+00:00)
Title: add light webserver for widget example

Add light webserver for widget example.

The same function DartEditor alreay have.
But sometimes someone(including me) doesn't use to run DartEditor.

Review @ussuri
TEST=run `dart ./tool/webserver.dart` and open `http://127.0.0.1:8080`.