Now only the ODF formats have AppUserModelID, but we
need AppUserModelID for all supported formats so the
Windows 7 recent documents works as expected.

This patch only adds a few registry keys during the
installation process on Windows.

Change-Id: I2d7460c1ed8b4ba77da8bb1c5b0c696c521353c5
Reviewed-on: https://gerrit.libreoffice.org/5274Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org>
Tested-by: Fridrich Strba <fridrich@documentfoundation.org>