Merge pull request #27 from collective/maurits/travis

Simplify (and hopefully fix) Travis.

.travis.yml

@@ -1,14 +1,10 @@
+dist: bionic
 language: python
-python:
-  - "2.7"
-  - "3.6"
-
 sudo: false
-
 cache:
   pip: true
   directories:
-    - $HOME/buildout-cache
+    - eggs
 
 matrix:
   include:
@@ -20,27 +16,14 @@ matrix:
     env: PLONE_VERSION=5.2.x
   - python: "3.6"
     env: PLONE_VERSION=5.2.x
-  exclude:
-  - python: "2.7"
-  - python: "3.6"
-
 
 before_install:
-  - mkdir -p $HOME/buildout-cache/{eggs,downloads}
-  - mkdir $HOME/.buildout
-  - echo "[buildout]" > $HOME/.buildout/default.cfg
-  - echo "download-cache = $HOME/buildout-cache/downloads" >> $HOME/.buildout/default.cfg
-  - echo "eggs-directory = $HOME/buildout-cache/eggs" >> $HOME/.buildout/default.cfg
   - pip install -r requirements.txt
 
 install:
-  - sudo apt-get -qq install libfreetype6-dev liblcms1-dev
   - sed -ie "s#plone-x.x.x.cfg#plone-$PLONE_VERSION.cfg#" travis.cfg
   - buildout -t 10 -c travis.cfg
 
-before_script:
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
 script:
   - bin/code-analysis
   - bin/test