Upgrade scalajs-dom to 0.9.8.
Upgrade scalajs-dom to 0.9.8.

This is the first version that supports Scala.js 1.0.0-RC2, and
likely 1.0.0 final.

scalafiddle/scalafiddle-core,scalafiddle/scalafiddle-core,scalafiddle/scalafiddle-core,scalafiddle/scalafiddle-core