Init script

A set of exit status codes are also defined. Status
can return:

0 program is running
1 program is dead and pidfile exists
2 program is dead and lockfile exists
3 program is stopped

The others can return:

1 generic error
2 invalid argument
3 unimplemented
4 insufficient privilege
5 program is not installed
6 program is not configured
7 program is not running