Switch nova.compute.manager to use instance dot notation
Switch nova.compute.manager to use instance dot notation

nova.compute.manager should use instance objects with the
field access dot notation everywhere. Essentially we use
instance.key instead of instance['key'].

Change-Id: I5bd2e1b24f60e15522574cb9d0c019831d7328b1

rajalokan/nova,BeyondTheClouds/nova,joker946/nova,nikesh-mahalka/nova,cloudbase/nova,Yusuke1987/openstack_template,nikesh-mahalka/nova,Francis-Liu/animated-broccoli,LoHChina/nova,rajalokan/nova,JianyuWang/nova,JianyuWang/nova,klmitch/nova,zhimin711/nova,openstack/nova,gooddata/openstack-nova,TwinkleChawla/nova,Stavitsky/nova,NeCTAR-RC/nova,bgxavier/nova,jeffrey4l/nova,tealover/nova,whitepages/nova,scripnichenko/nova,rahulunair/nova,adelina-t/nova,openstack/nova,raildo/nova,mikalstill/nova,tangfeixiong/nova,Juniper/nova,dims/nova,edulramirez/nova,jianghuaw/nova,dawnpower/nova,blueboxgroup/nova,hanlind/nova,cernops/nova,watonyweng/nova,Yusuke1987/openstack_template,takeshineshiro/nova,alexandrucoman/vbox-nova-driver,belmiromoreira/nova,thomasem/nova,ted-gould/nova,JioCloud/nova_test_latest,Juniper/nova,double12gzh/nova,zaina/nova,CCI-MOC/nova,zzicewind/nova,mahak/nova,petrutlucian94/nova,bigswitch/nova,gooddata/openstack-nova,barnsnake351/nova,sebrandon1/nova,fnordahl/nova,thomasem/nova,ted-gould/nova,mikalstill/nova,shail2810/nova,BeyondTheClouds/nova,tealover/nova,shail2810/nova,mandeepdhami/nova,scripnichenko/nova,vmturbo/nova,rajalokan/nova,double12gzh/nova,orbitfp7/nova,takeshineshiro/nova,Tehsmash/nova,cloudbase/nova-virtualbox,CEG-FYP-OpenStack/scheduler,Juniper/nova,cloudbase/nova-virtualbox,hanlind/nova,j-carpentier/nova,vmturbo/nova,dawnpower/nova,alvarolopez/nova,alvarolopez/nova,yatinkumbhare/openstack-nova,felixma/nova,mahak/nova,orbitfp7/nova,yosshy/nova,alexandrucoman/vbox-nova-driver,mahak/nova,gooddata/openstack-nova,edulramirez/nova,rahulunair/nova,eonpatapon/nova,whitepages/nova,Juniper/nova,blueboxgroup/nova,jeffrey4l/nova,tangfeixiong/nova,JioCloud/nova,alaski/nova,mandeepdhami/nova,noironetworks/nova,joker946/nova,alaski/nova,openstack/nova,CloudServer/nova,Tehsmash/nova,cloudbase/nova,bgxavier/nova,belmiromoreira/nova,iuliat/nova,cernops/nova,devendermishrajio/nova_test_latest,iuliat/nova,mmnelemane/nova,bigswitch/nova,devendermishrajio/nova_test_latest,Stavitsky/nova,kimjaejoong/nova,klmitch/nova,devendermishrajio/nova,isyippee/nova,eonpatapon/nova,CCI-MOC/nova,tudorvio/nova,fnordahl/nova,petrutlucian94/nova,yatinkumbhare/openstack-nova,klmitch/nova,rajalokan/nova,barnsnake351/nova,mmnelemane/nova,isyippee/nova,gooddata/openstack-nova,cernops/nova,akash1808/nova_test_latest,watonyweng/nova,adelina-t/nova,Francis-Liu/animated-broccoli,j-carpentier/nova,MountainWei/nova,LoHChina/nova,JioCloud/nova,ruslanloman/nova,rahulunair/nova,akash1808/nova_test_latest,noironetworks/nova,varunarya10/nova_test_latest,phenoxim/nova,cyx1231st/nova,varunarya10/nova_test_latest,zzicewind/nova,ruslanloman/nova,affo/nova,tudorvio/nova,phenoxim/nova,TwinkleChawla/nova,CloudServer/nova,CEG-FYP-OpenStack/scheduler,sebrandon1/nova,cloudbase/nova,sebrandon1/nova,dims/nova,akash1808/nova,jianghuaw/nova,jianghuaw/nova,MountainWei/nova,klmitch/nova,JioCloud/nova_test_latest,NeCTAR-RC/nova,yosshy/nova,devendermishrajio/nova,vmturbo/nova,cyx1231st/nova,mikalstill/nova,zhimin711/nova,apporc/nova,raildo/nova,hanlind/nova,vmturbo/nova,jianghuaw/nova,zaina/nova,felixma/nova,apporc/nova,akash1808/nova,affo/nova,BeyondTheClouds/nova,kimjaejoong/nova