Added get_open_ports description to plugin SPI
Added get_open_ports description to plugin SPI

Change-Id: Ib6be32c531f5e2d65c576ffc6f017298016af83b
Closes-Bug: #1394402

zhangjunli177/sahara,ekasitk/sahara,henaras/sahara,zhangjunli177/sahara,esikachev/scenario,redhat-openstack/sahara,matips/iosr-2015,redhat-openstack/sahara,esikachev/sahara-backup,zhangjunli177/sahara,ekasitk/sahara,matips/iosr-2015,zhujzhuo/Sahara,matips/iosr-2015,henaras/sahara,bigfootproject/sahara,bigfootproject/sahara,crobby/sahara,egafford/sahara,tellesnobrega/sahara,zhujzhuo/Sahara,redhat-openstack/sahara,egafford/sahara,openstack/sahara,crobby/sahara,esikachev/scenario,henaras/sahara,esikachev/sahara-backup,openstack/sahara,tellesnobrega/sahara,ekasitk/sahara,esikachev/scenario,crobby/sahara,zhujzhuo/Sahara,esikachev/sahara-backup,bigfootproject/sahara