I am having some issues with auto-starting programs when my Raspberry Pi 2 boots. I have tried editing both /etc/xdg/lxsession/LXDE-pi/autostart & /etx/xdg/lxsession/LXDE/autostart and neither made any difference. I put the following code in both files

@lxpanel --profile LXDE-pi
@pcmanfm --desktop --profile LXDE-pi
#@xscreensaver -no-splash
@sh ${HOME}/.config/lxsession/LXDE-pi/autokey.sh
@iceweasel

Are the tutorials I am following outdated or is there another autostart file to edit? My goal is to boot right into a fullscreen web browser in kiosk mode and no mouse.