ansible-lint produces warnings

[php-coder]

[701] Role info should contain min_ansible_version
/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml:2
{'meta/main.yml': {'galaxy_info': {'author': 'Slava Semushin', 'description': "Installs OracleJDK from WebUpd8 team's PPA", 'license': 'GPLv2', 'platforms': [{'name': 'Ubuntu', 'versions': ['trusty', 'xenial'], 'line': 7, 'file': '/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml'}], 'categories': ['development', 'system'], 'line': 3, 'file': '/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml'}, 'dependencies': [], 'line': 2, 'file': '/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml'}}

[702] Use 'galaxy_tags' rather than 'categories'
/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml:2
{'meta/main.yml': {'galaxy_info': {'author': 'Slava Semushin', 'description': "Installs OracleJDK from WebUpd8 team's PPA", 'license': 'GPLv2', 'platforms': [{'name': 'Ubuntu', 'versions': ['trusty', 'xenial'], 'line': 7, 'file': '/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml'}], 'categories': ['development', 'system'], 'line': 3, 'file': '/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml'}, 'dependencies': [], 'line': 2, 'file': '/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/meta/main.yml'}}

[301] Commands should not change things if nothing needs doing
/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/tasks/main.yml:8
Task/Handler: Accept Oracle license

[306] Shells that use pipes should set the pipefail option
/Users/coder/git/mystamps/vagrant/provisioning/roles/php-coder.oraclejdk/tasks/main.yml:8
Task/Handler: Accept Oracle license

ansible-lint 4.1.0
ansible 2.9.0