Kotlin Hello World

I've finished a blog post on getting set up with Kotlin, both for a KotlinJS project and KotlinJVM.

http://www.indiepig.com/blog/what-is-kotlin.php

For the experts out there, let me know if I’ve made any typos, mistakes, or if something becomes out of date.

Hi Nicholas! Can you update your article for the latest kotlin libs please?