1.6.0 - Followers, Following and Organization members

Introducing a fancy and handy way to list the followers, the following and the organization members.

## New shortcuts

### Profile
 - <kbd>SHIFT</kbd> + <kbd>R</kbd>: Fetch user's followers.
 - <kbd>SHIFT</kbd> + <kbd>N</kbd>: Fetch user's following.
 - <kbd>SHIFT</kbd> + <kbd>M</kbd>: Fetch the organization members.

### User List
 - <kbd>SHIFT</kbd> + <kbd>P</kbd>: Visit GitHub profiles (default: your GitHub profile).

## Example
 1. Visit @github's profile (<kbd>SHIFT</kbd> + <kbd>P</kbd>, `github`, <kbd>Enter</kbd>).
 2. View the organization members (<kbd>SHIFT</kbd> + <kbd>M</kbd>).
 3. Visit @jlord's profile (<kbd>SHIFT</kbd> + <kbd>P</kbd>, `jlord`, <kbd>Enter</kbd>).
 4. List the users she is following (<kbd>SHIFT</kbd> + <kbd>N</kbd>).

:stars:  :dizzy: :star: :gift: Happy New Year! :smile: :fireworks: :star2: :night_with_stars:

![image](https://cloud.githubusercontent.com/assets/2864371/5579421/101bf9f8-9043-11e4-8485-feb71f2d39ef.png)