This allows configuration of which attribute is presented during gid/uid resolution, adds home directory prefixing, and home directory name attribute selection.
Fixes#195 pre release cleanup. This does a LOT, clippy, formatting, and much much more. It fixes a lot of parts of the book, improves server config and more.
Implements #129, pam and nsswitch daemon capability. This is stage 1, which adds a localhost unix domain socket resolver, a ssh key client, support to the server for generating unix tokens, an async client lib, and client handles for adding posix extensions to accounts and groups.
