Backport pull request #1099 from rspec/wanelo-pair:without-ruby-gems

Update Changelog per #1099.

Author: cupakromer

Changelog.md

@@ -4,6 +4,7 @@
 Bug Fixes:
 
 * Suppress warning in `SetupAndTeardownAdapter`. (André Arko, #1085)
+* Remove dependency on Rubygems. (Andre Arko & Doc Riteze, #1099)
 
 ### 3.0.1 / 2014-06-02
 [Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.0.0...v3.0.1)