* move module into its own package (fix #62)

Signed-off-by: Stephan Renatus <srenatus@chef.io>

* fix make comment output

Signed-off-by: Stephan Renatus <srenatus@chef.io>

* update bazel rules

For future reference: I had issues with this on my machine, so I've
resorted to using docker:

    docker build -t protoc-gen-validate .
    docker run -it -v $(pwd):/go/src/github.com/lyft/protoc-gen-validate \
      protoc-gen-validate gazelle

Signed-off-by: Stephan Renatus <srenatus@chef.io>

* undo/fix gazelle rules (manually)

Signed-off-by: Stephan Renatus <srenatus@chef.io>