upstream cleanup 18
upstream cleanup 18

Syntax and formatting cleanup for Sphinx/Hieroglyph.

Change-Id: Ib58dc0aa5a7c59f88a9fb9bc077222ba9ecddc6a

Nabs007/training-guides,harrisonfeng/training-guides,harrisonfeng/training-guides,Nabs007/training-guides,harrisonfeng/training-guides,openstack/training-guides,openstack/training-guides,Nabs007/training-guides