Integrate Trello through Meteor/Node.js SDK / API binding

[adamantivm]

Make it easy to access the Trello API from Meteor so that we can use Trello as a back-end for holding the task data.

This could be done by either integrating an existing Trello JavaScript SDK or by creating our own.

[adamantivm]

Here are some useful pointers, also somewhat relevant for #10

• Trello API reference
• There is a (low function) Trello Node binding