Add support for JSDoc on functions and generation of documentation.

• http://usejsdoc.org/about-getting-started.html
• http://usejsdoc.org/about-including-package.html

Actions:

• Each of the modules should contain a JSDoc comment on each exported function. This will allow for the creation of documentation describing how the functions work.
• Add a npm task that generates the docs.

Modules:

• Authorizer
• Google
• Facebook
• Amazon