[IMP] Travis CI - Install Odoo at the system level with the Debian package instead of using 'OCA/maintainer-quality-tools' to run tests in Python 3.x environments
Merge pull request #5 from sebalix/develop

[IMP] Travis CI - Run unit tests in Python 3.x environments

Test failures are unrelated to this PR, unit tests run well on different versions of Python with it.