Log Message:
Update ruby-rspec-mocks to 3.6.0.

### 3.6.0 / 2017-05-04
[Full Changelog](http://github.com/rspec/rspec-mocks/compare/v3.6.0.beta2...v3.6.0)

Bug Fixes:

* Fix "instance variable @color not initialized" warning when using
  rspec-mocks without rspec-core. (Myron Marston, #1142)
* Restore aliased module methods properly when stubbing on 1.8.7.
  (Samuel Giddins, #1144)
* Allow a message chain expectation to be constrained by argument(s).
  (Jon Rowe, #1156)

### 3.6.0.beta2 / 2016-12-12
[Full \ 
Changelog](http://github.com/rspec/rspec-mocks/compare/v3.6.0.beta1...v3.6.0.beta2)

Enhancements:

* Add new `without_partial_double_verification { }` API that lets you
  temporarily turn off partial double verification for an example.
  (Jon Rowe, #1104)

### 3.6.0.beta1 / 2016-10-09
[Full Changelog](http://github.com/rspec/rspec-mocks/compare/v3.5.0...v3.6.0.beta1)

Bug Fixes:

* Return the test double instance form `#freeze` (Alessandro Berardi, #1109)
* Allow the special logic for stubbing `new` to work when `<Class>.method` has
  been redefined. (Proby, #1119)