Description of problem: Timelines page is missing for cloud provider


Version-Release number of selected component (if applicable): 5.5.0.3


How reproducible: 100%


Steps to Reproduce:
1. Add a cloud provider
2. Generate some events
3. Click on Monitoring -> Timelines

Actual results:
Page does not exist error

Expected results:
Page should show

Additional info:
[----] I, [2015-10-05T07:59:07.109527 #2822:1305998]  INFO -- : Started GET "/ems_cloud/show/1?display=timeline" for 127.0.0.1 at 2015-10-05 07:59:07 -0400
[----] F, [2015-10-05T07:59:07.110825 #2822:1305998] FATAL -- : 
ActionController::RoutingError (No route matches [GET] "/ems_cloud/show/1"):
  actionpack (4.2.4) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  actionpack (4.2.4) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
  railties (4.2.4) lib/rails/rack/logger.rb:38:in `call_app'
  railties (4.2.4) lib/rails/rack/logger.rb:22:in `call'
  actionpack (4.2.4) lib/action_dispatch/middleware/request_id.rb:21:in `call'
  rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'
  rack (1.6.4) lib/rack/runtime.rb:18:in `call'
  activesupport (4.2.4) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
  rack (1.6.4) lib/rack/lock.rb:17:in `call'
  actionpack (4.2.4) lib/action_dispatch/middleware/static.rb:116:in `call'
  actionpack (4.2.4) lib/action_dispatch/middleware/static.rb:116:in `call'
  rack (1.6.4) lib/rack/sendfile.rb:113:in `call'
  railties (4.2.4) lib/rails/engine.rb:518:in `call'
  railties (4.2.4) lib/rails/application.rb:165:in `call'
  rack (1.6.4) lib/rack/content_length.rb:15:in `call'
  thin (1.6.3) lib/thin/connection.rb:86:in `block in pre_process'
  thin (1.6.3) lib/thin/connection.rb:84:in `catch'
  thin (1.6.3) lib/thin/connection.rb:84:in `pre_process'
  thin (1.6.3) lib/thin/connection.rb:53:in `process'
  thin (1.6.3) lib/thin/connection.rb:39: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 (1.6.3) lib/thin/backends/base.rb:73:in `start'
  thin (1.6.3) lib/thin/server.rb:162:in `start'
  rack (1.6.4) lib/rack/handler/thin.rb:19:in `run'
  rack (1.6.4) lib/rack/server.rb:286:in `start'
  railties (4.2.4) lib/rails/commands/server.rb:80:in `start'
  railties (4.2.4) lib/rails/commands/commands_tasks.rb:80:in `block in server'
  railties (4.2.4) lib/rails/commands/commands_tasks.rb:75:in `tap'
  railties (4.2.4) lib/rails/commands/commands_tasks.rb:75:in `server'
  railties (4.2.4) lib/rails/commands/commands_tasks.rb:39:in `run_command!'
  railties (4.2.4) lib/rails/commands.rb:17:in `<top (required)>'
  bin/rails:4:in `require'
  bin/rails:4:in `<main>'