WIP. Added --allow-unauthenticated apt-get to avoid unauthenticated errors

.gitlab-ci.yml

@@ -7,9 +7,7 @@ variables:
   POSTGRES_PASSWORD: password
 
 before_script:
-  - apt-get clean
-  - cd /var/lib/apt && mv lists lists.old && mkdir -p lists/partial && apt-get clean
-  - apt-get update && apt-get install -y libsasl2-dev libssl-dev locales locales-all
+  - apt-get update && apt-get install -y --allow-unauthenticated libsasl2-dev libssl-dev locales locales-all
   - pip install -r requirements.txt --default-timeout=180
   - pip install -r requirements-dev.txt --default-timeout=180