Fix: compatibility with grape-swagger 0.8.0 and HEAD.

Author: dblock

lib/grape-swagger-rails.rb

@@ -15,7 +15,7 @@ def before_filter(&block)
 
   self.options = Options.new(
 
-    url:                  '/swagger_doc.json',
+    url:                  '/swagger_doc',
     app_name:             'Swagger',
     app_url:              'http://swagger.wordnik.com',
 

spec/dummy/config/initializers/swagger.rb

@@ -1,3 +1,3 @@
-GrapeSwaggerRails.options.url = '/api/swagger_doc.json'
+GrapeSwaggerRails.options.url = '/api/swagger_doc'
 GrapeSwaggerRails.options.app_name = 'Swagger'
 GrapeSwaggerRails.options.app_url  = 'http://localhost:3000'