[WikiToLearn] Run WikiToLearn locally on OSX
This task must be done on OSX.
Checkout last version of https://github.com/WikiToLearn/devvagrant and use the guide at this page <http://meta.wikitolearn.org/Guide_for_the_development_of_WikiToLearn/Run_WikiToLearn_locally guide>.
Record a video that explains how to create and use the local environment.
Report issues during the process or parts of the guide not clear.