Fix #135: Prevent bloated optimized size due to dropLZ method
Have Travis check the size of reversi outputs.

We can modify these numbers, but at least we won't have surprises.
Change 'outstanding' to 'noteworthy' in the README

Based on commit scala-js/scala-js-website@794da5b76b444 which fixed
issue scala-js/scala-js-website#8.
Merge pull request #137 from jonas/readme-noteworthy-features

Change 'outstanding' to 'noteworthy' in the README
Fix #158: Implement java.util.Random.nextLong()