Adds missing changelog entry for #742
Prepares for 2.13.2
Bumps to 2.13.2

[ci skip]
Adds 4-0-stable branch to Travis
Supports any Rails stable branch
Skips sprockets during tests against Rails 4
Supports Minitest 5.0 (for Rails 4.1)

* Minitest::Assertions expects its users to define an `assertions`
  counter.
Using expect syntax with helper spec generator example
Merge pull request #750 from aceofbassgreg/master

Changing helper spec generator to use 'expect' syntax
Improve generator documentation

[Closes #749]
[Fixes #722]
Merge branch 'generator-docs'
update docstring to ref a more recent version of Rails
use new deprecation API
Merge pull request #752 from rspec/new-deprecation-api

New deprecation api
Uses Thor actions where possible
Fix: Ensure rake task correctly identifies directories with specs in them

It was returning files in the spec/ folder
Merge branch 'rake_task_incorrectly_identifies_directories'

[Closes #753]
Prep changelog for 2.14.0.rc1 release. [ci skip]
Releases 2.14.0.rc1
Corrected typo in README