Test against Rails 4.2

Author: tricknotes

Appraisals

@@ -21,3 +21,7 @@ end
 appraise "rails-4.1" do
   gem 'rails', '~> 4.1'
 end
+
+appraise "rails-4.2" do
+  gem 'rails', '~> 4.2'
+end

gemfiles/rails_4.2.gemfile

@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "http://rubygems.org"
+
+gem "rails", "~> 4.2"
+
+gemspec :path => "../"