* add v1alpha2 registry based conversion
* test defaults, set our 1st explicit default
* fix typos and dates
* move pluginregistry to its own dir
* remove unused v1alpha2.Namespace type
* move migration code folders, remove switch
* validate internalPolicy a single time
* remove structured logs
* simplify return
* check for nil methods
* properly check before adding default evictor
* add TODO comment
* bump copyright year
Lucas Severo AlvesandGitHub
vlc刘诚