update license to 4.0 version of CC, add package.json
Corrected error in license reference.
first step in Node rewrite, remove old stuff, change should, functions, arrays and mutability koans
added AboutObjects
added AboutInheritance koan
added AboutHigherOrderFunctions koan
added last koan
updated README to make it more readable
merged with origin
added missing completed-koans folder
minor fixes in README
more minor cleanup in README
Update AboutFunctions.coffee
Merge pull request #11 from breethomas/patch-1

Update AboutFunctions.coffee to remove typo