Forwardport 2.99.0 release notes. [ci skip]
Update changelog for v3.0.0. [ci skip]
Release 3.0.0
Move warnings from .rspec to spec_helper, Fixes #1571
Add changelog for #1572.

[ci skip]
Remove inch badge

[skip ci]
Remove dependency on FileUtils.

We now use our own implementation: RSpec::Support::DirectoryMaker
instead which implements mkdir_p for us.
Changelog entry for #1565