Add core-scroll-header-panel
Fix html import as well
Merge pull request #25 from dart-lang/core-scroll-header-panel

Add core-scroll-header-panel
Merge pull request #26 from dart-lang/fix-codegen

Fix html import as well
Fix error in codegen
TBR=@jmesserly
Revert "Fix error in codegen"

This reverts commit 9e004da1d90a431d9654ee25f826a2acc1f16c0c.
TBR=@jmesserly
Autoupdate polymer.html as well.
Also renames generate_dart_api to 'update.dart'.
Merge pull request #27 from dart-lang/override-polymer-html

Autoupdate polymer.html as well.
Add html import stub generation support