Log Message:
Update ruby-rspec-support to 3.2.1.

### 3.2.1 / 2015-02-04
[Full Changelog](http://github.com/rspec/rspec-support/compare/v3.2.0...v3.2.1)

Bug Fixes:

* Fix `RSpec::CallerFilter` to work on Rubinius 2.2.
  (Myron Marston, #169)

### 3.2.0 / 2015-02-03
[Full Changelog](http://github.com/rspec/rspec-support/compare/v3.1.2...v3.2.0)

Enhancements:

* Add extra Ruby type detection. (Jon Rowe, #133)
* Make differ instance re-usable. (Alexey Fedorov, #160)

Bug Fixes:

* Do not consider `[]` and `{}` to match when performing fuzzy matching.
  (Myron Marston, #157)