Make conductor use instance object
Make conductor use instance object

Because the instance itself was guaranteed to be objects
we can make all instance usage to be object.

Change-Id: Ib6cd0ac86e88dacde5bc71648460c78ae253702e

devendermishrajio/nova_test_latest,double12gzh/nova,felixma/nova,kimjaejoong/nova,rajalokan/nova,shail2810/nova,zaina/nova,sebrandon1/nova,vmturbo/nova,edulramirez/nova,eonpatapon/nova,rajalokan/nova,klmitch/nova,gooddata/openstack-nova,CEG-FYP-OpenStack/scheduler,whitepages/nova,yatinkumbhare/openstack-nova,alvarolopez/nova,openstack/nova,mahak/nova,CEG-FYP-OpenStack/scheduler,alvarolopez/nova,klmitch/nova,jianghuaw/nova,BeyondTheClouds/nova,cernops/nova,zaina/nova,belmiromoreira/nova,dims/nova,takeshineshiro/nova,BeyondTheClouds/nova,LoHChina/nova,Tehsmash/nova,MountainWei/nova,CCI-MOC/nova,zzicewind/nova,apporc/nova,hanlind/nova,gooddata/openstack-nova,bigswitch/nova,yosshy/nova,Juniper/nova,mikalstill/nova,openstack/nova,Juniper/nova,CloudServer/nova,ruslanloman/nova,mikalstill/nova,openstack/nova,rahulunair/nova,double12gzh/nova,akash1808/nova_test_latest,gooddata/openstack-nova,j-carpentier/nova,dims/nova,isyippee/nova,rahulunair/nova,alaski/nova,fnordahl/nova,NeCTAR-RC/nova,klmitch/nova,Tehsmash/nova,j-carpentier/nova,TwinkleChawla/nova,rahulunair/nova,cyx1231st/nova,tangfeixiong/nova,felixma/nova,scripnichenko/nova,devendermishrajio/nova,CloudServer/nova,Juniper/nova,jianghuaw/nova,zzicewind/nova,jeffrey4l/nova,JianyuWang/nova,jianghuaw/nova,raildo/nova,bigswitch/nova,mahak/nova,ted-gould/nova,mandeepdhami/nova,phenoxim/nova,BeyondTheClouds/nova,yatinkumbhare/openstack-nova,takeshineshiro/nova,mahak/nova,vmturbo/nova,tealover/nova,LoHChina/nova,scripnichenko/nova,iuliat/nova,Stavitsky/nova,JioCloud/nova_test_latest,cloudbase/nova,kimjaejoong/nova,Francis-Liu/animated-broccoli,mikalstill/nova,vmturbo/nova,tangfeixiong/nova,gooddata/openstack-nova,cloudbase/nova,tealover/nova,nikesh-mahalka/nova,ruslanloman/nova,varunarya10/nova_test_latest,Stavitsky/nova,cernops/nova,zhimin711/nova,devendermishrajio/nova_test_latest,watonyweng/nova,belmiromoreira/nova,sebrandon1/nova,CCI-MOC/nova,alaski/nova,rajalokan/nova,yosshy/nova,tudorvio/nova,barnsnake351/nova,akash1808/nova_test_latest,watonyweng/nova,noironetworks/nova,hanlind/nova,Juniper/nova,fnordahl/nova,iuliat/nova,zhimin711/nova,apporc/nova,jeffrey4l/nova,hanlind/nova,MountainWei/nova,tudorvio/nova,devendermishrajio/nova,NeCTAR-RC/nova,cernops/nova,TwinkleChawla/nova,JianyuWang/nova,raildo/nova,klmitch/nova,edulramirez/nova,cloudbase/nova,nikesh-mahalka/nova,vmturbo/nova,Francis-Liu/animated-broccoli,mandeepdhami/nova,ted-gould/nova,mmnelemane/nova,eonpatapon/nova,barnsnake351/nova,phenoxim/nova,cyx1231st/nova,jianghuaw/nova,mmnelemane/nova,JioCloud/nova_test_latest,isyippee/nova,noironetworks/nova,varunarya10/nova_test_latest,shail2810/nova,rajalokan/nova,whitepages/nova,sebrandon1/nova