Icon-request: modern key
The key icon used in ForkAwesome is a bit old fashioned and an alternative using a simple more modern key could be a good idea.

Something like that:

![687474703a2f2f7777772e7761727769636b73686972652d73656375726974792e636f6d2f696d616765732f6b65792e706e67](https://user-images.githubusercontent.com/1962678/36612300-81980a94-18d6-11e8-88ba-246a068216cb.png)

Old related issue: Font-Awesome/789