Merge pull request #3461 from edx/sylvia/docs/table_images

Experiment with cell widths to see if images will appear

docs/en_us/course_authors/source/exercises_tools/create_exercises_and_tools.rst

@@ -19,7 +19,7 @@ General Exercises and Tools
 ****************************
 
 .. list-table::
-   :widths: 30 25 80
+   :widths: 25 25 50
 
    * - .. image:: /Images/AnnotationExample.png
           :width: 100