Revert "remove reference to indigoidine tag in tutorial."

This reverts commit 95c33ebab7b2e08c59fe2fa2225a0a26c06d0cb8.
Revert "comment out indigoidine tag"

This reverts commit 6736802ce9164d5775f2511343ed9469dba0811e.

Conflicts:
	Django/DjangoNrps/designerGui/api.py
	Django/DjangoNrps/templates/designerGui/use_tool.html