Document third party references

[JenniBee]

We'll need to keep track of any third party references and licenses that are used.

Name: Wintermute
Type: Source code
Source URL: https://bitbucket.org/MnemonicWME/wme1/
License URL: http://dead-code.org/home/index.php/license/
Site URL: http://dead-code.org/
License: MIT
Version: 1.9.1

Name: Verb Bar
Type: Source code
Source URL: http://www.dead-code.org/forum/index.php?board=12;action=display;threadid=239
License: No license (but the author allows modification)
Version: demo

If there is anything else used, please mention it below.