CBQE-0: run_job_linux.sh with install_param

new param to teplate job: install_param
echo "install_param not set! Will use default value: product=cb,parallel=True";

Change-Id: Idfc62d640e26c697145ef71f3c513e53fa8cbd59
Reviewed-on: http://review.couchbase.org/37269
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>