Singularize classes for feature names

Fixes issue rspec#1403

Author: Liss McCabe

lib/generators/rspec/feature/feature_generator.rb

@@ -9,7 +9,7 @@ class FeatureGenerator < Base
       def generate_feature_spec
         return unless options[:feature_specs]
 
-        template 'feature_spec.rb', File.join('spec/features', class_path, "#{table_name}_spec.rb") # file_name?
+        template 'feature_spec.rb', File.join('spec/features', class_path, "#{class_name.downcase}_spec.rb") # file_name?
       end
     end
   end

lib/generators/rspec/feature/templates/feature_spec.rb

@@ -1,5 +1,5 @@
 require 'rails_helper'
 
-RSpec.feature "<%= class_name.pluralize %>", <%= type_metatag(:feature) %> do
+RSpec.feature "<%= class_name %>", <%= type_metatag(:feature) %> do
   pending "add some scenarios (or delete) #{__FILE__}"
 end