Update tox config.
Update tox config.

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