This patch adds the documentation directly in the sphinx role
documentation index. All variables have been commented with a proper
description to be included automatically in the sphinx build.
This patch also disables the facts gathering because this validation
doesn't need them.
Change-Id: I99a506d17a2e76c9513745db877e5ce0ba3aae6a
Signed-off-by: Gael Chamoulaud (Strider) <gchamoul@redhat.com>
e5be8fb969