Changes permanent redirect status code from 304 to 301. Fixes ruby-grape#242.

Author: adamgotterer

CHANGELOG.markdown

@@ -1,6 +1,7 @@
 Next Release
 ============
 
+* [#242](https://github.com/intridea/grape/issues/242): Fix: permanent redirect status. - [@adamgotterer](https://github.com/adamgotterer).
 * [#236](https://github.com/intridea/grape/pull/236): Allow validation of nested parameters. - [@tim-vandecasteele](https://github.com/tim-vandecasteele).
 * [#201](https://github.com/intridea/grape/pull/201): Added custom exceptions to Grape. Updated validations to use ValidationError that can be rescued. - [@adamgotterer](https://github.com/adamgotterer).
 * [#211](https://github.com/intridea/grape/pull/211): Updates to validation and coercion: Fix #211 and force order of operations for presence and coercion - [@adamgotterer](https://github.com/adamgotterer).

lib/grape/endpoint.rb

@@ -159,7 +159,7 @@ def error!(message, status=403)
     def redirect(url, options = {})
       merged_options = {:permanent => false }.merge(options)
       if merged_options[:permanent]
-        status 304
+        status 301
       else
         if env['HTTP_VERSION'] == 'HTTP/1.1' && request.request_method.to_s.upcase != "GET"
           status 303

spec/grape/endpoint_spec.rb

@@ -268,7 +268,7 @@ def app; subject end
         redirect "/ha", :permanent => true
       end
       get '/hey'
-      last_response.status.should eq 304
+      last_response.status.should eq 301
       last_response.headers['Location'].should eq "/ha"
       last_response.body.should eq ""
     end