shared/downloads/virtio-win.ini: Update windows virtio ISO URL

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #1481 from autotest/virtio-win-iso-update

shared/downloads/virtio-win.ini: Update windows virtio ISO URL
unattended: RHEL-5 does not have the scsi-target-utils package
guest-os: update

Fix support for JeOS 17 unattended install, RHEL 4.9, and Fedora 20.
Fix URLs for EOLed Fedora releases.
Merge pull request #1482 from bonzini/guest-os-update

Minor guest OS updates
virttest.utils_params: Make object_params thread-safe

Copying of the dictionary is not thread safe. Usually in autotest
we don't need that as object_params are USUALY used for each thread.
This patch makes sure Params.object_params() returns the correct
dictionary.

Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Merge pull request #1485 from ldoktor/framework

virttest.utils_params: Make object_params thread-safe