Add .DS_Store to .gitignore.
Add .DS_Store to .gitignore.

mgogoulos/libcloud,apache/libcloud,wuyuewen/libcloud,erjohnso/libcloud,wuyuewen/libcloud,DimensionDataCBUSydney/libcloud,erjohnso/libcloud,illfelder/libcloud,ZuluPro/libcloud,Kami/libcloud,lochiiconnectivity/libcloud,watermelo/libcloud,samuelchong/libcloud,Scalr/libcloud,mistio/libcloud,NexusIS/libcloud,watermelo/libcloud,StackPointCloud/libcloud,ByteInternet/libcloud,StackPointCloud/libcloud,andrewsomething/libcloud,illfelder/libcloud,lochiiconnectivity/libcloud,pquentin/libcloud,Scalr/libcloud,erjohnso/libcloud,mistio/libcloud,lochiiconnectivity/libcloud,iPlantCollaborativeOpenSource/libcloud,ByteInternet/libcloud,techhat/libcloud,SecurityCompass/libcloud,mgogoulos/libcloud,DimensionDataCBUSydney/libcloud,apache/libcloud,SecurityCompass/libcloud,StackPointCloud/libcloud,NexusIS/libcloud,iPlantCollaborativeOpenSource/libcloud,vongazman/libcloud,ByteInternet/libcloud,watermelo/libcloud,NexusIS/libcloud,t-tran/libcloud,andrewsomething/libcloud,pquentin/libcloud,vongazman/libcloud,DimensionDataCBUSydney/libcloud,ZuluPro/libcloud,apache/libcloud,samuelchong/libcloud,SecurityCompass/libcloud,iPlantCollaborativeOpenSource/libcloud,t-tran/libcloud,andrewsomething/libcloud,techhat/libcloud,Kami/libcloud,ZuluPro/libcloud,mistio/libcloud,mgogoulos/libcloud,pquentin/libcloud,Kami/libcloud,wuyuewen/libcloud,t-tran/libcloud,techhat/libcloud,samuelchong/libcloud,illfelder/libcloud,vongazman/libcloud,Scalr/libcloud