Add clock.py to dock

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add hotkey to open a terminal and ssh into winterfell

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add methods to write stuff to dzen2

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add icons

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add dock/sysinfo.py

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add sysinfo and clock script spawning into xmonad.hs

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>