1.5.1

• Recommend a k8s version based on each kops version
• Fix docker systemd manifest on RHEL for 1.12
• Populate sshAccess correctly when converting from older versions
• Fix PodManifestPath / Config schema (thanks @kamilhristov)
• More efficient CI (thanks @andrewsykim)
• Improved docs (thanks @apenney)
• Display proposed changes sorted by name (not topologically)

Known errata (will be fixed in 1.5.2):

• kops update cluster shows that additional (empty) IAM policies will be created (#1782)