Description of problem:


Version-Release number of selected component (if applicable):
5.4.0.0.23.20150423131011_69b48fd 

How reproducible:
100%

Steps to Reproduce:
1.Click on the infrastructure summary page.
2.Click on the objects one by one in relationship section(clusters, host, datastores,vms,template) and try sorting them from list view.

similarly try sorting for cloud provider objects too
 

Actual results:
sorting does not work from list view and error is displayed in production log

Expected results:
sorting should work from list view

Additional info:
production.log
[----] I, [2015-04-29T08:30:41.266526 #2642:123bea4]  INFO -- : Started POST "/ext_management_system/show/4?sortby=3&display=flavors" for 127.0.0.1 at 2015-04-29 08:30:41 -0400
[----] F, [2015-04-29T08:30:41.276002 #2642:123bea4] FATAL -- : 
ActionController::RoutingError (No route matches [POST] "/ext_management_system/show/4"):
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/rack/logger.rb:32:in `call_app'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/rack/logger.rb:18:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/request_id.rb:22:in `call'
  rack (1.4.5) lib/rack/methodoverride.rb:21:in `call'
  rack (1.4.5) lib/rack/runtime.rb:17:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/activesupport/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.4.5) lib/rack/lock.rb:15:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/static.rb:63:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/engine.rb:484:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/application.rb:231:in `call'
  rack (1.4.5) lib/rack/content_length.rb:14:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/rack/log_tailer.rb:17:in `call'
  thin (1.3.1) lib/thin/connection.rb:80:in `block in pre_process'
  thin (1.3.1) lib/thin/connection.rb:78:in `catch'
  thin (1.3.1) lib/thin/connection.rb:78:in `pre_process'
  thin (1.3.1) lib/thin/connection.rb:53:in `process'
  thin (1.3.1) lib/thin/connection.rb:38:in `receive_data'
  eventmachine (1.0.7) lib/eventmachine.rb:187:in `run_machine'
  eventmachine (1.0.7) lib/eventmachine.rb:187:in `run'
  thin (1.3.1) lib/thin/backends/base.rb:61:in `start'
  thin (1.3.1) lib/thin/server.rb:159:in `start'
  rack (1.4.5) lib/rack/handler/thin.rb:13:in `run'
  rack (1.4.5) lib/rack/server.rb:268:in `start'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands/server.rb:70:in `start'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands.rb:55:in `block in <top (required)>'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands.rb:50:in `tap'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands.rb:50:in `<top (required)>'
  script/rails:6:in `require'
  script/rails:6:in `<main>'