Add site and email details
Create file to describe the project

NPM requires this file to be available before being able to publish it
as a package.

Details of the project has been added into this file (i.e. package.json)
Add entry file to load hubot-gitlab

This is a simple working application of what hubot-gitlab can do.
Things are going to improve eventually.

* Updated packages.json to load the entry file
* index.coffee will load everything under ./src