Don't treat sphinx warning as error in testenv:docs-travis Closes #1061
Don't treat sphinx warning as error in testenv:docs-travis
Closes #1061

Scalr/libcloud,pquentin/libcloud,Kami/libcloud,mistio/libcloud,pquentin/libcloud,vongazman/libcloud,apache/libcloud,mistio/libcloud,andrewsomething/libcloud,Kami/libcloud,StackPointCloud/libcloud,pquentin/libcloud,andrewsomething/libcloud,erjohnso/libcloud,apache/libcloud,ByteInternet/libcloud,vongazman/libcloud,ByteInternet/libcloud,ZuluPro/libcloud,Scalr/libcloud,Kami/libcloud,StackPointCloud/libcloud,Scalr/libcloud,vongazman/libcloud,StackPointCloud/libcloud,andrewsomething/libcloud,erjohnso/libcloud,ByteInternet/libcloud,ZuluPro/libcloud,erjohnso/libcloud,mistio/libcloud,ZuluPro/libcloud,apache/libcloud