Initial linting efforts.

Summary:
Install node:
  http://nodejs.org/

Install npm:
  curl https://npmjs.org/install.sh | sudo sh

Install jshint:
  sudo npm install -g jshint

Install pep8 and pylint:
  pip install pep8 pylint

Test Plan: modify a .js or .py file

Reviewers: bogdan2412

Reviewed By: bogdan2412

Differential Revision: http://phab.code4fun.de/D2