Update apertium-dbus to use the -z option of tools that support it
completed by: reikaze
mentors: Francis Tyers
At the moment, apertium-dbus has to close stdin before reading output. Many tools in Apertium have an option -z that flushes output on reception of the '\0' (null) character. The objective of this task is, for those tools, add the -z option, and flush output on the null character.