- changed the default RDBMS to MariaDB in accordance with install docs[0]
- removed deprecated database, apt and yum cookbooks
- incorporated `database' and MySQL-specific abstractions from database
cookbook
- implemented foodcritic and cookstyle corrections
- deprecated node.foo.bar method access for node['foo']['bar'] bracket syntax
- updated default recipe for core apt resource
- use /etc/apt/apt.conf.d on Ubuntu instead of passing the dpkg overrides as
command line options in every cookbook
[0]: https://docs.openstack.org/install-guide/environment-sql-database.html
Implements blueprint modern-chef
Change-Id: I143e0ed0a2bdd76269fc0c402052696426d96d81
Depends-On: I00e2237cef0c9aa35f78d3ccec04a1c7b9271ce8
Depends-On: I7ee0f5eae4e79e5c70ee8de4a0094a7c34fdd18f