Update version to 3.8.1

Author: JonRowe

Changelog.md

@@ -1,5 +1,8 @@
 ### Development
-[Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.8.0...master)
+[Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.8.1...master)
+
+### Development
+[Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.8.0...v3.8.1)
 
 Bug Fixes:
 

lib/rspec/rails/version.rb

@@ -3,7 +3,7 @@ module Rails
     # Version information for RSpec Rails.
     module Version
       # Current version of RSpec Rails, in semantic versioning format.
-      STRING = '3.8.0'
+      STRING = '3.8.1'
     end
   end
 end