Multiple user config changes

Starting to make the system operable without using root.

Changes to groups, sudo, some file permissions.
Places all the user key config into users.pp

modules/rhizo_base/templates/bash_aliases.erb

@@ -1,3 +1,4 @@
 alias psql='psql postgresql://rhizomatica:<%= @pgsql_pwd %>@localhost/rhizomatica'
 alias systemctl='sudo systemctl'
 alias journalctl='sudo journalctl'
+alias sudo="/usr/bin/sudo -n"