message: FIX: Reflect SimonRit CircleCI in homepage
diff: RTK: The Reconstruction ToolKit
  -------------------------------
  -.. image:: https://circleci.com/gh/LucasGandel/RTK-1/tree/RTK-ExternalModule.svg?style=shield
  - :target: https://circleci.com/gh/LucasGandel/RTK-1
  +.. image:: https://circleci.com/gh/SimonRit/RTK/tree/RTK-ExternalModule.svg?style=shield
  + :target: https://circleci.com/gh/SimonRit/RTK
  .. image:: https://travis-ci.org/SimonRit/RTK.svg?branch=RTK-ExternalModule
  :target: https://travis-ci.org/SimonRit/RTK/branches
  