Fix ceilometer-acompute rejoin problems
Fix ceilometer-acompute rejoin problems

The problem was in the screenrc file generated, where the
following command appeared:

sg libvirtd "ceilometer-agent-compute
                 --config-file /etc/ceilometer/ceilometer.conf"^M"

The final "^M" was not then parsed.

Change-Id: Ie6c5b1c9e3d196a3a9c343c2afb46435711c10f5
Closes-bug: #1311666

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