do not reset registered archives in installer case

  - that reseted registered archives which are read from the
    binary content class which is only done once at the start
    of an installer

Change-Id: I74da50276e28094555f4e7960b1a92a49b729236
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>
Merge remote-tracking branch 'origin/1.4' into 1.5

Change-Id: I559345600da059e456ea61faac5ba33c66fa0e3c