Add exit_code, stdout, stderr etc to ProcessExecutionException
Add exit_code, stdout, stderr etc to ProcessExecutionException

This means that we can now catch ProcessExecutionException and inspect the result, in order to handle "acceptable" exceptions e.g. file does not exist on a remove

Change-Id: I4f5dfe1f1d4601dafc50abc4c61f4b616f13c5ff

affo/nova,openstack/nova,shahar-stratoscale/nova,Juniper/nova,alaski/nova,vmturbo/nova,devendermishrajio/nova_test_latest,angdraug/nova,rajalokan/nova,vmturbo/nova,maoy/zknova,JianyuWang/nova,j-carpentier/nova,aristanetworks/arista-ovs-nova,zzicewind/nova,TieWei/nova,aristanetworks/arista-ovs-nova,Yuriy-Leonov/nova,SUSE-Cloud/nova,projectcalico/calico-nova,JioCloud/nova,akash1808/nova,zhimin711/nova,JioCloud/nova_test_latest,kimjaejoong/nova,cloudbase/nova,rickerc/nova_audit,bigswitch/nova,josephsuh/extra-specs,badock/nova,tangfeixiong/nova,CloudServer/nova,viggates/nova,yrobla/nova,badock/nova,bgxavier/nova,bclau/nova,gspilio/nova,thomasem/nova,thomasem/nova,leilihh/nova,klmitch/nova,jeffrey4l/nova,eneabio/nova,sridevikoushik31/openstack,cyx1231st/nova,edulramirez/nova,DirectXMan12/nova-hacking,raildo/nova,rajalokan/nova,Stavitsky/nova,spring-week-topos/nova-week,Yusuke1987/openstack_template,devendermishrajio/nova_test_latest,petrutlucian94/nova_dev,mahak/nova,TwinkleChawla/nova,edulramirez/nova,imsplitbit/nova,maoy/zknova,berrange/nova,OpenAcademy-OpenStack/nova-scheduler,JianyuWang/nova,dims/nova,noironetworks/nova,gooddata/openstack-nova,cloudbase/nova-virtualbox,vmturbo/nova,cloudbase/nova,affo/nova,mmnelemane/nova,paulmathews/nova,bgxavier/nova,barnsnake351/nova,viggates/nova,maheshp/novatest,sacharya/nova,klmitch/nova,vmturbo/nova,tanglei528/nova,mandeepdhami/nova,houshengbo/nova_vmware_compute_driver,Tehsmash/nova,petrutlucian94/nova_dev,silenceli/nova,NoBodyCam/TftpPxeBootBareMetal,noironetworks/nova,openstack/nova,citrix-openstack-build/nova,ruslanloman/nova,ntt-sic/nova,mikalstill/nova,klmitch/nova,tianweizhang/nova,nikesh-mahalka/nova,sebrandon1/nova,jeffrey4l/nova,jianghuaw/nova,double12gzh/nova,eonpatapon/nova,sridevikoushik31/nova,rajalokan/nova,mahak/nova,cloudbase/nova-virtualbox,russellb/nova,sridevikoushik31/nova,dims/nova,jianghuaw/nova,fajoy/nova,LoHChina/nova,BeyondTheClouds/nova,watonyweng/nova,virtualopensystems/nova,akash1808/nova,russellb/nova,shail2810/nova,whitepages/nova,virtualopensystems/nova,aristanetworks/arista-ovs-nova,petrutlucian94/nova,rahulunair/nova,hanlind/nova,whitepages/nova,ted-gould/nova,mikalstill/nova,gspilio/nova,paulmathews/nova,orbitfp7/nova,ewindisch/nova,dstroppa/openstack-smartos-nova-grizzly,adelina-t/nova,NewpTone/stacklab-nova,maheshp/novatest,sileht/deb-openstack-nova,BeyondTheClouds/nova,sileht/deb-openstack-nova,joker946/nova,Metaswitch/calico-nova,shail2810/nova,ewindisch/nova,usc-isi/nova,belmiromoreira/nova,usc-isi/extra-specs,DirectXMan12/nova-hacking,psiwczak/openstack,CiscoSystems/nova,Yusuke1987/openstack_template,mgagne/nova,maheshp/novatest,houshengbo/nova_vmware_compute_driver,CEG-FYP-OpenStack/scheduler,KarimAllah/nova,russellb/nova,ruslanloman/nova,dstroppa/openstack-smartos-nova-grizzly,tealover/nova,yosshy/nova,yrobla/nova,openstack/nova,isyippee/nova,eayunstack/nova,isyippee/nova,iuliat/nova,cloudbau/nova,Triv90/Nova,NoBodyCam/TftpPxeBootBareMetal,apporc/nova,cernops/nova,zhimin711/nova,devendermishrajio/nova,CEG-FYP-OpenStack/scheduler,tealover/nova,fnordahl/nova,cernops/nova,savi-dev/nova,houshengbo/nova_vmware_compute_driver,spring-week-topos/nova-week,leilihh/nova,tudorvio/nova,eneabio/nova,leilihh/novaha,NewpTone/stacklab-nova,maelnor/nova,NeCTAR-RC/nova,double12gzh/nova,klmitch/nova,iuliat/nova,gooddata/openstack-nova,Brocade-OpenSource/OpenStack-DNRM-Nova,TieWei/nova,akash1808/nova_test_latest,vladikr/nova_drafts,shootstar/novatest,rahulunair/nova,blueboxgroup/nova,scripnichenko/nova,sebrandon1/nova,rahulunair/nova,shahar-stratoscale/nova,fajoy/nova,yosshy/nova,savi-dev/nova,yatinkumbhare/openstack-nova,dstroppa/openstack-smartos-nova-grizzly,phenoxim/nova,takeshineshiro/nova,angdraug/nova,Tehsmash/nova,ntt-sic/nova,felixma/nova,felixma/nova,apporc/nova,fajoy/nova,dawnpower/nova,BeyondTheClouds/nova,zzicewind/nova,saleemjaveds/https-github.com-openstack-nova,Juniper/nova,redhat-openstack/nova,hanlind/nova,akash1808/nova_test_latest,sridevikoushik31/openstack,petrutlucian94/nova,scripnichenko/nova,josephsuh/extra-specs,KarimAllah/nova,eonpatapon/nova,joker946/nova,kimjaejoong/nova,gooddata/openstack-nova,TwinkleChawla/nova,devoid/nova,zaina/nova,LoHChina/nova,sridevikoushik31/nova,saleemjaveds/https-github.com-openstack-nova,savi-dev/nova,MountainWei/nova,luogangyi/bcec-nova,projectcalico/calico-nova,bclau/nova,alexandrucoman/vbox-nova-driver,cloudbase/nova,usc-isi/nova,devoid/nova,alaski/nova,sridevikoushik31/nova,varunarya10/nova_test_latest,gooddata/openstack-nova,rrader/nova-docker-plugin,MountainWei/nova,takeshineshiro/nova,gspilio/nova,rrader/nova-docker-plugin,fnordahl/nova,psiwczak/openstack,maoy/zknova,yatinkumbhare/openstack-nova,CCI-MOC/nova,Triv90/Nova,CloudServer/nova,alvarolopez/nova,orbitfp7/nova,shootstar/novatest,rajalokan/nova,berrange/nova,josephsuh/extra-specs,rickerc/nova_audit,plumgrid/plumgrid-nova,sileht/deb-openstack-nova,NewpTone/stacklab-nova,eayunstack/nova,NoBodyCam/TftpPxeBootBareMetal,Stavitsky/no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