Merge pull request #1 from innodonni/master

Added licence file (with standard US spelling).
Hello world in JavaScript (with test).
Merge pull request #2 from innodonni/hellojs

Hello world in JavaScript (with test).
Add ruby class!
Merge pull request #3 from TheNaoX/master

Add ruby class!
adding to the fun
Merge pull request #4 from metasansana/master

adding to the fun
Reorganise test framework and tests.