Warn when implicit default value overrides explicit one that differs.

BUG=dartbug.com/18914
R=brianwilkerson@google.com, scheglov@google.com

Review URL: https://codereview.chromium.org//700923002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41503 260f80e4-7a28-3924-810f-c04153c831b5
Update comments about CSP in polymer

R=jakemac@google.com

Review URL: https://codereview.chromium.org//704513004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41504 260f80e4-7a28-3924-810f-c04153c831b5
Delete sample/multi_touch now that code lives in https://github.com/dart-lang/sample-multi-touch

BUG=
R=kathyw@google.com, shailentuli@google.com

Review URL: https://codereview.chromium.org//702473007

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41505 260f80e4-7a28-3924-810f-c04153c831b5
Remove Gauge, it now lives at: https://github.com/dart-lang/sample-gauge

R=kathyw@google.com, shailentuli@google.com

Review URL: https://codereview.chromium.org//700723002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41506 260f80e4-7a28-3924-810f-c04153c831b5
Remove google_maps sample, it now lives at https://github.com/dart-lang/sample-google-maps

BUG=
R=kathyw@google.com, shailentuli@google.com

Review URL: https://codereview.chromium.org//695413004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41507 260f80e4-7a28-3924-810f-c04153c831b5
Remove solar, spirodraw, and swipe examples - these now live in github under:
   https://github.com/dart-lang/sample-solar
   https://github.com/dart-lang/sample-spirodraw
   https://github.com/dart-lang/sample-swipe

BUG=
R=kathyw@google.com, shailentuli@google.com

Review URL: https://codereview.chromium.org//696913003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41508 260f80e4-7a28-3924-810f-c04153c831b5
Delete clock sample from the dart repo. It was moved to:
https://github.com/dart-lang/sample-clock. In addition, this sample is not
linked in our pages or from the editor, so it is safe to remove it from the Dart
repo at this time.

R=shailentuli@google.com

Review URL: https://codereview.chromium.org//691013003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41509 260f80e4-7a28-3924-810f-c04153c831b5