Embedded icon assets to polymer css
Fixed error to be circle rather than triangle.
TEST for icons
Revert "TEST for icons"

This reverts commit 4c77ba8beea7218f394f512322f34eab86d9fd9e.
Added icons to assets directory
touch
Revert "touch"

This reverts commit 6317611ec284f5a5992f4e1f822bc8281e82e6b7.
Merge pull request #610 from dart-lang/annotation-icons

Embedded icon assets to polymer css