Merge branch 'master' into 'master'

.gitignore

README.md

vagrant/README.md

vagrant/Vagrantfile

vagrant/ansible/playbook.yml

vagrant/ansible/roles/dovecot/handlers/main.yml

vagrant/ansible/roles/dovecot/tasks/install.yml

.../roles/dovecot/tasks/install_dovecot_libsodium_plugin.yml

vagrant/ansible/roles/dovecot/tasks/main.yml

...t/ansible/roles/dovecot/templates/dovecot-sql.conf.ext.j2

vagrant/ansible/roles/dovecot/templates/dovecot.conf.j2

...le/roles/dovecot/templates/dovecot/conf.d/10-auth.conf.j2

...le/roles/dovecot/templates/dovecot/conf.d/10-mail.conf.j2

.../roles/dovecot/templates/dovecot/conf.d/10-master.conf.j2

...ble/roles/dovecot/templates/dovecot/conf.d/10-ssl.conf.j2

...les/dovecot/templates/dovecot/conf.d/15-mailboxes.conf.j2

...les/dovecot/templates/dovecot/conf.d/auth-sql.conf.ext.j2

vagrant/ansible/roles/init/tasks/main.yml

vagrant/ansible/roles/mariadb/tasks/main.yml

...nt/ansible/roles/mariadb/templates/database_scheme.sql.j2