Add update protobufs for v0.9+

Moved from GitHub pydgraph/17

Posted by kochhar:

Hi, I was going through the source for the pydgraph, and needed some help with figuring out the protobuffers for LinRead. Are there updated .proto files available which can be used to generate the python proto classes?

gpahal commented :

Should be fixed by Add Dgraph v1 support and make the interface compatible with other clients by gpahal · Pull Request #21 · dgraph-io/pydgraph · GitHub

gpahal commented :

Pull request merged to master.