QtIFW

fix unknown component value in scripts while updating

 - the order of initializing the updatercomponents list was different
   then the packagemanagercomponents list
 - now every updatercomponents are inside the list before the scripts
   are called

Change-Id: I2cfa8edb48326071f6976aa9f772afc477088719
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>