[http.users] Create .sock and log dir only if root_paths are defined
[http.users] Do not configure web components if no root_path defined
[http.users] Allow to add groups to an user
Add pillar http:basedir defining web root directory
[net.ssh] Add group sftponly

Web users added to this group are chrooted.
[http.users] Chroot users without "ssh: True" parameter