Remove v0 version namespacing for API

spec/routing/options_requests_spec.rb

@@ -2,10 +2,10 @@ require 'spec_helper'
 
 describe '/api OPTIONS requests routing' do
   it 'routes to Api::ApplicationController#cor_preflight' do
-    { :options => '/api/v0' }.should route_to(
+    { :options => '/api/some_route' }.should route_to(
       :controller => 'api/application',
       :action => 'cor_preflight',
-      :all => 'v0'
+      :all => 'some_route'
     )
   end
 end