- move code to bash function
- use uppercase for global vars
- drop dbus restart code when updated
- split broken maps and dbus lookup
- change coloring code

- more generic (not only for restart)
- use local vars
- infinite loop protection

There is probably an infinite loop in the code. When it happen display an error

do not quickly exit when no service to restart, in order to diplay failed services

No regex in what we grep, free speedup

This allow to get usage without running checkservices as root

ignore sighup to avoid restart to being fucked by tty hanghup