Merge pull request #4 from korylus/update

Rework comment subcommand to the English-first / [Ja] marker format

Merge pull request #3 from korylus/koryluslint-comment-blank-line-1-1

Add blank-line check (condition 4) to the comment subcommand

Merge pull request #1 from korylus/korylus-shared-lint-tools-4-1

Rename Go module path to github.com/korylus/tools