Organize options in `--help` output more logically.
Organize options in `--help` output more logically.

* `--init` belongs in the utility section with `--version`
  and `--help`.  It's not a normal option that warrants being
  listed near the top.
* `--dry-run` is an output option and belongs in that section.

rspec/rspec-core,rspec/rspec-core,rspec/rspec-core