base-files: informative service command in /etc/shinit. service command shows service...

base-files: informative service command in /etc/shinit. service command shows services enabled/disabled and running status, when the service command is invoked with no/invalid arguments, like this:

Usage: service <service> [command]
The following services are available:
/etc/init.d/acme                   enabled         stopped
/etc/init.d/boot                   enabled         stopped
/etc/init.d/cron                   enabled         running
/etc/init.d/dnsmasq                enabled         running
...

Signed-off-by: Stan Grishin <stangri@melmac.net>