1: http://aslain.com/index.php?/topic/226-27032015-loadinf-for-aslains-installer-v25-gui/
Could do the trick, if you don't want to use his program, then, as mentioned in the thread as well, you can use CMD to start the installer with the /LOADINF command. The file you need to save is also mentioned there :)
2: Out of my jurisdiction :P AKA No clue :P