GitLab

1. Using xdg-open instead of nautilus to open key directory for config_master_monoterminal
2. Redirection of output from imc -createkeypair command, because it prints confusing messages to user. (It prints some key premission sugestion, but the le-italc-config already does all necessary actions)
3. If for some reason lightdm greeter-setup-exec does not exist, create it. (Not sure if it is possible, but seems to happen)
Signed-off-by: Lior Spach <ls12@inf.ufpr.br>