This commit removes the support of Ubuntu 14.04. This distribution is
EOL since April 30th 2019 and CI tests are failing because apt
repositories aren't available anymore.
* [meta] refactor kitchen tests
This commit update kitchen tests to match important feature to test:
- default: test a deployment with all default values
- license: test a deployment with a license and default values
- trial: test a deployment with security enabled and trial license
- oss: test a deployment with oss version and default values (6.x only)
- upgrade: test an upgrade from a previous version
- oss-upgrade: test an upgrade with oss version (6.x only)
- oss-to-default-upgrade: test an upgrade from previous oss to latest
default version
- custom_config: test a deployment with custom config files
- security: test a deployment with security enabled
* [meta] fix license test
This commit create dedicated Jenkins jobs for 6.x for master branch and
PRs. This is required to allow having different test suites for 7.x and
6.x in a following PR.
