Mongo Example errors

[laszewsk]

I am sure we have them somewhere: work with Badi to get gitlab access where this may be located

lesson/database/images/mongodb-overview.png

[laszewsk]

/Users/grey/github/cloudmesh/classes/docs/source/lesson/database/mongodb_cluster.rst:43: WARNING: toctree contains reference to nonexisting document u'lesson/database/virtual_cluster'
/Users/grey/github/cloudmesh/classes/docs/source/lesson/database/mongodb_cluster.rst:263: WARNING: toctree contains reference to nonexisting document u'lesson/database/additional_examples'
/Users/grey/github/cloudmesh/classes/docs/source/lesson/database/mongodb_cluster.rst:19: WARNING: image file not readable: lesson/database/images/mongodb-overview.png

[tonythomascn]

@badi I searched both my local and classes repo, but couldn't find it. Can we find it in another repo in Gitlab somewhere?

[laszewsk]

verifi if still an issue, and solve if it is