update travis definition

.travis.yml

@@ -1,9 +1,6 @@
 language: python
 sudo: false
-cache:
-  apt: true
-  directories:
-    - $HOME/.cache/pip
+cache: pip
 
 python:
   - "2.7"
@@ -19,23 +16,16 @@ addons:
 
 env:
   global:
-  - VERSION="9.0" TESTS="0" LINT_CHECK="0" TRANSIFEX="0"
-  - TRANSIFEX_USER='transbot@odoo-community.org'
-  - secure: cnskjzYSLkdeEoUDIhwkwqWsNKIj36JyoA/H7ByNLBphAm9Xrs/ZE8Y5AHxsXp8zQjIGnzw4fpEEO8oakmaueFTaAKlzWS2KH8NWxTjNHkIv/+TFwYsayWNG6O39021wSMQnTRDVERNlBdTwjCTBne81a50NqCeUIrtgcwycwzU=
+  - VERSION="9.0" TESTS="0" LINT_CHECK="0" MAKEPOT="0"
   - WKHTMLTOPDF_VERSION="0.12.4"
   matrix:
   - LINT_CHECK="1"
-  - TRANSIFEX="1"
-  - TESTS="1" ODOO_REPO="odoo/odoo"
+  - TESTS="1" ODOO_REPO="odoo/odoo" MAKEPOT="1"
   - TESTS="1" ODOO_REPO="OCA/OCB"
 
 virtualenv:
   system_site_packages: true
 
-before_install:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
-
 install:
   - git clone --depth=1 https://github.com/OCA/maintainer-quality-tools.git ${HOME}/maintainer-quality-tools
   - export PATH=${HOME}/maintainer-quality-tools/travis:${PATH}