Install python_virtualenv for SuSE as well

Task-number: QTQAINFRA-745

Change-Id: Ib799b3890a539bbf52f600d22a2fd694d1b74b2b
Reviewed-by: Heikki Halmet <heikki.halmet@digia.com>
Puppet's jenkins_slave modifications for OpenSuSE

Task-number: QTQAINFRA-745

Change-Id: I596ee3159f184945fe485ac4a1bff8a642a4161a
Reviewed-by: Heikki Halmet <heikki.halmet@digia.com>