replace travis w/ circle CI in badges

add support for newer ServiceDesc var, generated by newer protoc-gen-…

…go-grpc (#38)

support more options in GoNames, to match recent options in protoc-ge…

…n-go (#36)

* pin tools in go.mod and correctly use pinned versions in Makefile
* support module root and source relative options

add support for import map and override for GoNames.GoPackageForFile;…

… adds test for that method (#25)

fix genproto reference, update protoreflect (#24)

fix typo in .goreleaser.yml

fix typo in .goreleaser.yml