Vendored webfont licenses

Source Sans Pro (source-sans-pro-*.woff2)
  Copyright 2010, 2012 Adobe Systems Incorporated (http://www.adobe.com/),
  with Reserved Font Name 'Source'. All Rights Reserved. Source is a
  trademark of Adobe Systems Incorporated in the United States and/or
  other countries.
  Licensed under the SIL Open Font License, Version 1.1.
  https://openfontlicense.org

Roboto Mono (roboto-mono-*.woff2)
  Copyright 2015 The Roboto Mono Project Authors
  (https://github.com/googlefonts/robotomono)
  Licensed under the Apache License, Version 2.0.
  http://www.apache.org/licenses/LICENSE-2.0
