To suppress ubuntu-sdk qml2puppet windows.

qml2puppet

#!/bin/bash
minimize () {
	# waiting 'ilegal' windows to load
   	sleep 3s

	# identify windows with wmctrl id
	for wid in $(wmctrl -l | grep Qml2Puppet)
	do
		if [[ "$wid" == 0x* ]]
		then
			# make the window on the most rear
			wmctrl -i -r $wid -b toggle,below
		fi
	done
	# focus main window of ubuntu-sdk
	wmctrl -a "Qt Creator"
}

	#VAR
	COUNTER_FILE="~/.log/counter"

	#MAIN:
	CTR=$(cat $COUNTER_FILE)
	# when the last window popped up, the script run
	if [ $CTR -eq 2 ]
	then
		minimize &
		echo 0 > $COUNTER_FILE
	else
		CTR=$[CTR + 1]
		echo $CTR > $COUNTER_FILE
	fi
	# execute the real 'puppet'
	(/usr/bin/qml2puppet.bak $*)
	wait
exit 0