Refactoring Conference/Event media to new media object

close #420

config/config.yml.example

@@ -8,6 +8,13 @@ defaults: &defaults
   # errbit configuration, get your own instance: https://github.com/errbit/errbit
   #errbit_key: See config/secrets.yml
   #errbit_host: errbit.exmaple.com
+  # These are the currently supported commercial types for conference and events
+  commercial_types: { youtube: 'YouTube',
+                           slideshare: 'SlideShare',
+                           flickr: 'Flickr',
+                           vimeo: 'Vimeo',
+                           speakerdeck: 'Speakerdeck',
+                           instagram: 'Instagram' }
 
 development:
   <<: *defaults

config/routes.rb

@@ -10,6 +10,7 @@ Osem::Application.routes.draw do
     resources :conference do
       resource :contact, except: [:index, :new, :create]
       resource :schedule, only: [:show, :update]
+      resources :commercials, except: [:show]
       get '/stats' => 'stats#index'
       get '/venue' => 'venue#show', as: 'venue_info'
       patch '/venue' => 'venue#update', as: 'venue_update'
@@ -80,6 +81,7 @@ Osem::Application.routes.draw do
 
   resources :conference, only: [:show] do
     resources :proposal do
+      resources :commercials, except: [:show, :index]
       resources :event_attachment, controller: "event_attachments"
       member do
         patch '/confirm' => 'proposal#confirm'