Merge pull request #294 from fragmuffin/feature/readme-rst

readme oversized gif fix

README.rst

@@ -49,10 +49,10 @@ Getting Started With CadQuery
 Installation instructions for all following use cases can be found `here <http://dcowden.github.io/cadquery/installation.html>`_.
 
 It is currently possible to use CadQuery for your own projects in 4 different ways:
-  * as a plugin for FreeCAD
-  * using the Docker Image to operate CadQuery as a CLI
-  * as a plugin running on a Jupyter Notebook server
-  * a standalone installation
+* as a plugin for FreeCAD
+* using the Docker Image to operate CadQuery as a CLI
+* as a plugin running on a Jupyter Notebook server
+* a standalone installation
 
 I just want to try things out!
 --------------------------------------------------
@@ -222,9 +222,9 @@ The mach30 project used cadquery to develop a tool that will create a rocket thr
 
 This example uses Jupyter notebook to produce a really cool web-based scripting environment (`https://github.com/RustyVermeer/avnb/blob/master/readme.md <https://github.com/RustyVermeer/avnb/blob/master/readme.md>`_):
 
-.. image:: http://dcowden.github.io/cadquery/_static/jupyter_showcase_thumb.gif
+.. image:: http://dcowden.github.io/cadquery/_static/jupyter_showcase_thumb.png
    :alt: Jupyter notebook showcased as animation
-   :target: https://github.com/RustyVermeer/cqnb/raw/master/showcase.gif
+   :target: https://github.com/RustyVermeer/cqnb
 
 We would love to link to your cadquery based project. Just let us know and we'll add it here.