Prep changelog for 2.14.0.rc1 release. [ci skip]
Release 2.14.0.rc1
Ensure Memoized Helper #its respects object visibility.
Refactor _visible method
Refactor #_visible? to use public_methods.
Update spec to return expected class.
Merge branch 'master' of github.com:rondale-sc/rspec-core

Conflicts:
	spec/rspec/core/memoized_helpers_spec.rb