Ignore E902 (directory doesn't exist) error when linting docs/examples/ directory.
Ignore E902 (directory doesn't exist) error when linting docs/examples/
directory.

This directory is not included in the distribution tarball so we don't want lint
to fail there.

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