Use pip_install function for python components
Use pip_install function for python components

Change-Id: Icf39519dfe473acf011aa151f7751951529b9eac

stackforge/monasca-api,stackforge/monasca-api,openstack/monasca-api,openstack/monasca-api,openstack/monasca-api,sapcc/monasca-api,stackforge/monasca-api,sapcc/monasca-api,sapcc/monasca-api,stackforge/monasca-api