Move unit tests to package 'example'.

Instead of 'example.test'.
Upgrade to Scala.js v0.4.0 and its breaking changes.
Upgrade to Scala.js v0.4.1.
Upgrade to Scala.js v0.4.2.
Upgrade to Scala.js v0.4.3.
Remove now useless resolver.
Add Travis configuration.
Upgrade to Scala.js 0.4.4.
Upgrade to Scala 2.11.0.
Add HTML files to run the test suite with the HTML reporter.
Use the statically typed DOM API.
Upgrade to Scala.js 0.5.0 and Scala 2.11.1.
Use the automatically generated launcher.
Upgrade to Scala.js 0.5.1.