Let i3 know of our move to hexchat (daccfce)

dotfiles/i3/config

@@ -234,6 +234,6 @@ exec "psi"
 exec "orage"
 exec "orage -t"
 exec "dropbox start"
-exec "xchat"
+exec "hexchat"
 exec "nm-applet"
 exec "shutter --min_at_startup"