title: WARNING: Missing 'go_package' option
body: <p>Im getting the following error once i run the protocol command to generate pb.go file
  But I can generate the pb.go file. how do I mitigate the following error</p>
  <pre><code>Missing 'go_package' option in &quot;job.proto&quot;,
  please specify it with the full Go package path as
  a future release of protoc-gen-go will require this be specified.
  </code></pre>