v2.0.0

• Update PDK to 2.5.0
• Move OS specifc data into hiera
• Add support for RedHat 8
• Use ensure_packages() to avoid conflicts
• Refactor unit tests to use rspec-puppet-facts
• Various small refactors
• Drop support for historical OS flavours of Ubuntu 12.04, SLED/SLES 10, RedHat 5
• Drop support for all 32bit OS flavours
• Drop support for Solaris, Scientific and OracleLinux