[damned-lies] Add yelp-tools as a test package requirement

[Claude Paroz <claudep src gnome org>]

commit ca3979c2ee31f61eb852253a2946960c48b70e60
Author: Claude Paroz <claude 2xlibre net>
Date:   Fri Sep 14 21:01:10 2018 +0200

    Add yelp-tools as a test package requirement

 .gitlab-ci.yml | 2 +-
 README         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 88ba7797..43c8cd7c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 image: python:latest
 
 before_script:
-  - apt update -qq && apt install -y -qq libicu-dev python3-icu python3-aeidon gettext intltool itstool 
gnome-doc-utils
+  - apt update -qq && apt install -y -qq libicu-dev python3-icu python3-aeidon gettext intltool itstool 
yelp-tools gnome-doc-utils
   - pip install -r requirements.txt
 
 test:
diff --git a/README b/README
index 6203dc11..a9e88ced 100644
--- a/README
+++ b/README
@@ -15,7 +15,7 @@ Requirements
     Markdown (python-markdown) for Team presentation markup rendering.
     translate-toolkit >= 2.2
 
-3 - gettext, intltool, gnome-doc-utils (for stats generation), itstool
+3 - gettext, intltool, gnome-doc-utils (for stats generation), itstool, yelp-tools
 
 4 - [Optional] Django Debug Toolbar
     git clone git://github.com/jazzband/django-debug-toolbar.git