Description of problem: Icon image missing for "send.png" in Automate -> Simulation page


Version-Release number of selected component (if applicable): 5.3.4.2.20150415125246


How reproducible: 100%


Steps to Reproduce:
1. Automate -> Simulation
2. 
 Object details:
    System/Process/ : Event
    Message : create
    Request : test
 Simulation Parameters:
    Execute Methods : Ticked
3. Submit

Actual results: Expanding the Tree on the right, ManageIQ/SYSTEM/PROCESS/Event/user gives a missing icon for MiqAeServiceUser


Expected results: Icon should be present


Additional info:
[----] I, [2015-04-28T09:47:40.873265 #2345:c4c804]  INFO -- : Started GET "/images/icons/new/send.png" for 127.0.0.1 at 2015-04-28 05:47:40 -0400
[----] F, [2015-04-28T09:47:40.876975 #2345:c4c804] FATAL -- : 
ActionController::RoutingError (No route matches [GET] "/images/icons/new/send.png"):
  actionpack (3.2.17) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  railties (3.2.17) lib/rails/rack/logger.rb:32:in `call_app'
  railties (3.2.17) lib/rails/rack/logger.rb:18:in `call'
  actionpack (3.2.17) 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'
  activesupport (3.2.17) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.4.5) lib/rack/lock.rb:15:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/static.rb:63:in `call'
  railties (3.2.17) lib/rails/engine.rb:484:in `call'
  railties (3.2.17) lib/rails/application.rb:231:in `call'
  rack (1.4.5) lib/rack/content_length.rb:14:in `call'
  railties (3.2.17) 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 (1.0.0) lib/eventmachine.rb:187:in `run_machine'
  eventmachine (1.0.0) 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'
  railties (3.2.17) lib/rails/commands/server.rb:70:in `start'
  railties (3.2.17) lib/rails/commands.rb:55:in `block in <top (required)>'
  railties (3.2.17) lib/rails/commands.rb:50:in `tap'
  railties (3.2.17) lib/rails/commands.rb:50:in `<top (required)>'
  script/rails:6:in `require'
  script/rails:6:in `<main>'