Update to-polymer-notes.md
Update to-polymer-notes.md
kasperpeulen/dart-tutorials-samples,dart-archive/dart-tutorials-samples,dart-archive/dart-tutorials-samples,kasperpeulen/dart-tutorials-samples,dart-archive/dart-tutorials-samples,kasperpeulen/dart-tutorials-samples,ronlobo/dart-tutorials-samples,ronlobo/dart-tutorials-samples,ronlobo/dart-tutorials-samples