Update .travis.yml

* Update .travis.yml

Travis configuration for transifex.
Following the template in https://github.com/OCA/maintainer-quality-tools/blob/master/sample_files/.travis.yml
and cathing the secure from OCA/maintainer-quality-tools#194
Thanks @pedrobaeza

.travis.yml

@@ -13,10 +13,16 @@ addons:
       - python-lxml  # because pip installation is slow
 
 env:
-  - VERSION="8.0" LINT_CHECK="1"
-  - VERSION="8.0" ODOO_REPO="odoo/odoo" LINT_CHECK="0"
-  - VERSION="8.0" ODOO_REPO="OCA/OCB" LINT_CHECK="0"
-  - VERSION="8.0" UNIT_TEST="1" LINT_CHECK="0"
+  global:
+  - VERSION="8.0" TESTS="0" LINT_CHECK="0" TRANSIFEX="0"
+  - TRANSIFEX_USER='transbot@odoo-community.org'
+  - secure: jX9I8iBSTGMGYNzj5zJkh/bvmXmemjqlKpVezZ2QMqaoXHgPPUlktxBwTMlmNeuJ5L9DlDiCqOiXpF41LDmKmjX/e99G15cvNSfQc/jG+exIfo9KSbc6aQSu8cqP+yu1MGTsuuq67Wm8N45+fFJGGsySUbGWFPXnF4MVIiZpqx0=
+
+  matrix:
+  - LINT_CHECK="1"
+  - TRANSIFEX="1"
+  - TESTS="1" ODOO_REPO="odoo/odoo"
+  - TESTS="1" ODOO_REPO="OCA/OCB"
 
 virtualenv:
   system_site_packages: true
@@ -32,4 +38,4 @@ script:
   - travis_run_tests
 
 after_success:
-  coveralls
+  - travis_after_tests_success