Contains the initial scripts and configuration for travis-ci and coveralls integration.

Fixes #96

Remove logrus and glog from most modules, keeping it only in bulk loaders. Instead switch to stubby like rpc tracing using net/tracer.

encoding. This helps us use the amazing context feature of grpc for RPC
tracing and client to server enforced deadlines.

Also upgrade the protobuf package so we can compile proto3.