Disable Python 2.5 test runs under tox.
Disable Python 2.5 test runs under tox.

Tox doesn't work correctly with 2.5.

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