Fix stop_neutron metadata agent function
Fix stop_neutron metadata agent function

Currently, stop_neutron fails in Jenkins because it kills itself.
This patch ensure we kill only neutron metadata agent, and not the awk
process in itself.

Change-Id: I25d1d90e002fa9eb3c5bc366cc74cb70a2daa69f
Closes-bug: #1269982
Signed-off-by: Emilien Macchi <d605a501dec15c980af71d9dfebf4b595ab6da1f@enovance.com>

wenhuizhang/devstack,eharney/devstack,CloudServer/devstack,LoHChina/devstack,tianweizhang/devstack,vsham20/devstack,Mahito/devstack,noironetworks/devstack,liuquansheng47/devstack,promptworks/devstack,samgoon/devstack,kplus/devstack-moonshot,mssumanth/devstack,jamielennox/devstack,varunarya10/devstack,avvocatodemarchis/devstack,prithivm/branch01,mc2014/devstack,affo/devstack,williamthegrey/devstack,group-policy/devstack,ozamiatin/devstack,eharney/devstack,j4/devstack,liuquansheng47/devstack,Millnert/contrail-devstack,srics/devstack,mmasaki/devstack,bq-xiao/devstack,bq-xiao/devstack,vishnugonela/devstack,virtualopensystems/devstack,andrewrothstein/devstack,bswartz/devstack,flavio-fernandes/devstack,CloudServer/devstack,thomasem/devstack,affo/devstack,sc68cal/devstack,bswartz/devstack,herrsechs/devstack,nuxeh/devstack,noironetworks/devstack,vsham20/devstack,dirkmueller/devstack,costingalan/devstack,upadhyay-prashant/devstack,bljgaurav/openstack-test,samgoon/devstack,Juniper/devstack,BSJAIN92/OpenStack,varunarya10/devstack,rushiagr/devstack,wenhuizhang/devstack,herrsechs/devstack,group-policy/devstack,sc68cal/devstack,thomasem/devstack,parul24/devstack,pombredanne/devstack,dtroyer/devstack,sequenceiq/devstack,Mahito/devstack,NaokiMiyata/devstack,prithivm/branch01,andrewrothstein/devstack,mssumanth/devstack,pacinete/devstack,NaokiMiyata/devstack,eshnil2000/devstack,mc2014/devstack,nawawi/openstack,vishnugonela/devstack,upadhyay-prashant/devstack,dtroyer/devstack,richliu/devstack,richliu/devstack,ozamiatin/devstack,HPCHub/devstack,rushiagr/devstack,LoHChina/devstack,costingalan/devstack,j4/devstack,openstack-dev/devstack,innodee/openstackk,olivierlemasle/devstack,olivierlemasle/devstack,dirkmueller/devstack,atulpatil301/devstack,TwinkleChawla/devstack,kplus/devstack-moonshot,pczerkas/devstack,bigswitch/devstack,bljgaurav/openstack-test,HPCHub/devstack,BSJAIN92/OpenStack,pczerkas/devstack,sequenceiq/devstack,openstack-dev/devstack,promptworks/devstack,TwinkleChawla/devstack,JioCloud/devstack,atulpatil301/devstack,mmasaki/devstack,pombredanne/devstack,nuxeh/devstack,avvocatodemarchis/devstack,neerja28/Devstack_GlusterFS,tianweizhang/devstack,parul24/devstack,nawawi/openstack,neerja28/Devstack_GlusterFS,bigswitch/devstack,flavio-fernandes/devstack,pacinete/devstack