Merge branch...

Merge branch '40-update-unsupported-index-rst-6-warning-toctree-contains-reference-to-nonexisting-document-u-update-unsupported-maxdepth-2' into 'master'

Resolve "update/unsupported/index.rst:6: WARNING: toctree contains reference to nonexisting document u'update/unsupported/ :maxdepth: 2'"

Closes #40

See merge request fusiondirectory/user-manual!33