i3: Use urxvt daemon

This enables the urxvt deamon on i3 startup and all following terminals
(opened through i3) will be attached to the daemon. For more information
consult urxvtd(1) manpage.

i3/.config/i3/config

@@ -28,8 +28,11 @@ font pango: DejaVu Sans 11
 # Use Mouse+$mod to drag floating windows to their wanted position
 floating_modifier $mod
 
+# start urxvt daemon
+exec urxvtd -q -f -o
+
 # start a terminal
-bindsym $mod+Return exec i3-sensible-terminal
+bindsym $mod+Return exec urxvtc
 
 # kill focused window
 bindsym $mod+Shift+q kill