Merge branch 'release/0.1.0' into develop
Generate User model

The User model provides an interface which can be used to access a users, and get additional information about them.
Implement spec for User model's attributes

The specs verify that the User's attributes are all present.
Add attributes to User

The user has an id and an email address.
Ignore .rvm files

Since the rvm configuration is pretty individual, its files should be ignored.
Update gems

A new version of Rails is available, and some other gems have been updated as well. bundle update has been run to get those into the project.
Implement specs for User's .find_by_id method

This method is used to query a user using the API provided by Chandelier AAA.
Install Faraday

Faraday is an HTTP client lib that provides a common interface over many adapters. Additionally, it mimics the concept of Rack's middleware stack, making it fairly extensible.
Install and configure Figaro

Figaro is used to configure the environment during development and tests.
Install Faraday middleware

The Faraday middleware provides an easy way to add the OAuth2 token to requests. Additionally, it can be used to handle caching later on.
Implement User.find_by_id

This method returns a user object for a given id. If the user does not exists, nil is returned instead.
Merge branch 'feature/user-model' into develop
Update README file
Merge branch 'release/0.2.0'