Pep8 and fix ex_owner handling in the list_images method.
Pep8 and fix ex_owner handling in the list_images method.

atsaki/libcloud,SecurityCompass/libcloud,kater169/libcloud,wido/libcloud,aviweit/libcloud,thesquelched/libcloud,mtekel/libcloud,DimensionDataCBUSydney/libcloud,thesquelched/libcloud,Cloud-Elasticity-Services/as-libcloud,aleGpereira/libcloud,jimbobhickville/libcloud,dcorbacho/libcloud,sergiorua/libcloud,cryptickp/libcloud,Cloud-Elasticity-Services/as-libcloud,ZuluPro/libcloud,techhat/libcloud,mtekel/libcloud,t-tran/libcloud,dcorbacho/libcloud,watermelo/libcloud,aviweit/libcloud,techhat/libcloud,mathspace/libcloud,Verizon/libcloud,pquentin/libcloud,mathspace/libcloud,DimensionDataCBUSydney/libcloud,StackPointCloud/libcloud,pantheon-systems/libcloud,wido/libcloud,illfelder/libcloud,samuelchong/libcloud,jerryblakley/libcloud,sergiorua/libcloud,JamesGuthrie/libcloud,ByteInternet/libcloud,mistio/libcloud,Cloud-Elasticity-Services/as-libcloud,cloudControl/libcloud,carletes/libcloud,mbrukman/libcloud,erjohnso/libcloud,sahildua2305/libcloud,andrewsomething/libcloud,NexusIS/libcloud,briancurtin/libcloud,t-tran/libcloud,smaffulli/libcloud,cloudControl/libcloud,smaffulli/libcloud,illfelder/libcloud,erjohnso/libcloud,sahildua2305/libcloud,curoverse/libcloud,marcinzaremba/libcloud,niteoweb/libcloud,SecurityCompass/libcloud,sfriesel/libcloud,watermelo/libcloud,lochiiconnectivity/libcloud,mistio/libcloud,Itxaka/libcloud,pquentin/libcloud,mgogoulos/libcloud,marcinzaremba/libcloud,andrewsomething/libcloud,niteoweb/libcloud,mgogoulos/libcloud,aviweit/libcloud,ZuluPro/libcloud,supertom/libcloud,andrewsomething/libcloud,carletes/libcloud,ZuluPro/libcloud,niteoweb/libcloud,jimbobhickville/libcloud,pantheon-systems/libcloud,StackPointCloud/libcloud,vongazman/libcloud,smaffulli/libcloud,wuyuewen/libcloud,ClusterHQ/libcloud,sfriesel/libcloud,wuyuewen/libcloud,Itxaka/libcloud,dcorbacho/libcloud,Kami/libcloud,kater169/libcloud,cryptickp/libcloud,carletes/libcloud,aleGpereira/libcloud,iPlantCollaborativeOpenSource/libcloud,munkiat/libcloud,kater169/libcloud,munkiat/libcloud,NexusIS/libcloud,thesquelched/libcloud,mistio/libcloud,samuelchong/libcloud,Scalr/libcloud,ByteInternet/libcloud,wuyuewen/libcloud,lochiiconnectivity/libcloud,watermelo/libcloud,samuelchong/libcloud,curoverse/libcloud,jimbobhickville/libcloud,apache/libcloud,mgogoulos/libcloud,apache/libcloud,Scalr/libcloud,mbrukman/libcloud,vongazman/libcloud,sgammon/libcloud,sergiorua/libcloud,vongazman/libcloud,wrigri/libcloud,mbrukman/libcloud,JamesGuthrie/libcloud,munkiat/libcloud,MrBasset/libcloud,t-tran/libcloud,schaubl/libcloud,ClusterHQ/libcloud,Kami/libcloud,Verizon/libcloud,illfelder/libcloud,iPlantCollaborativeOpenSource/libcloud,atsaki/libcloud,briancurtin/libcloud,wrigri/libcloud,Itxaka/libcloud,MrBasset/libcloud,sfriesel/libcloud,cloudControl/libcloud,iPlantCollaborativeOpenSource/libcloud,supertom/libcloud,Scalr/libcloud,jerryblakley/libcloud,apache/libcloud,mtekel/libcloud,aleGpereira/libcloud,JamesGuthrie/libcloud,erjohnso/libcloud,wido/libcloud,sahildua2305/libcloud,sgammon/libcloud,jerryblakley/libcloud,Verizon/libcloud,supertom/libcloud,ByteInternet/libcloud,SecurityCompass/libcloud,StackPointCloud/libcloud,schaubl/libcloud,Kami/libcloud,briancurtin/libcloud,curoverse/libcloud,DimensionDataCBUSydney/libcloud,NexusIS/libcloud,wrigri/libcloud,pantheon-systems/libcloud,pquentin/libcloud,lochiiconnectivity/libcloud,atsaki/libcloud,MrBasset/libcloud,marcinzaremba/libcloud,techhat/libcloud,schaubl/libcloud,mathspace/libcloud,cryptickp/libcloud