dispvm: do not start GUI apps during prerun

Apparently it doesn't help much with DispVM startup time, but causes a
lot of problems when such app do not close in time (either can be killed
forcibly and will complain about it at next run, or will spontaneously
show itself when DispVM is started).

misc/dispvm-prerun.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-apps="evince /usr/libexec/evinced soffice firefox"
+apps="/usr/libexec/evinced"
 
 #If user have customized DispVM settings, use its home instead of default dotfiles
 if [ -e /rw/home/user/.qubes-dispvm-customized ]; then
@@ -22,10 +22,10 @@ while true; do
 		break;
 	fi
 	PREV_IO=$IO
-	sleep 1
+	sleep 2
 done
 
-ps ax > /tmp/dispvm-prerun-proclist.log
+ps aufwwx > /tmp/dispvm-prerun-proclist.log
 
 echo "Closing windows..."
 /usr/lib/qubes/close-window `xwininfo -root -children|tail -n +7 |awk '{print $1}'`