FIX update travis file to recent format, remove old env vars

.travis.yml

@@ -15,16 +15,25 @@ addons:
       - python-serial
       - python-yaml
 
+stages:
+    - linting
+    - test
+
+jobs:
+  include:
+    - stage: linting
+      env:
+        - LINT_CHECK="1"
+    - stage: test
+      env:
+        - TESTS="1" ODOO_REPO="odoo/odoo" MAKEPOT="1"
+    - stage: test
+      env:
+        - TESTS="1" ODOO_REPO="OCA/OCB"
+
 env:
   global:
-  - VERSION="12.0" TESTS="0" LINT_CHECK="0" MAKEPOT="0"
-  - TRANSIFEX_USER='transbot@odoo-community.org'
-  - secure: cnskjzYSLkdeEoUDIhwkwqWsNKIj36JyoA/H7ByNLBphAm9Xrs/ZE8Y5AHxsXp8zQjIGnzw4fpEEO8oakmaueFTaAKlzWS2KH8NWxTjNHkIv/+TFwYsayWNG6O39021wSMQnTRDVERNlBdTwjCTBne81a50NqCeUIrtgcwycwzU=
-  - WKHTMLTOPDF_VERSION="0.12.4"
-  matrix:
-  - LINT_CHECK="1"
-  - TESTS="1" ODOO_REPO="odoo/odoo" MAKEPOT="1"
-  - TESTS="1" ODOO_REPO="OCA/OCB"
+  - VERSION="12.0" TESTS="0" LINT_CHECK="0" MAKEPOT="0" WKHTMLTOPDF_VERSION="0.12.4"
 
 install:
   - git clone --depth=1 https://github.com/OCA/maintainer-quality-tools.git ${HOME}/maintainer-quality-tools