Adds instagram url to conference

app/models/conference.rb

@@ -20,7 +20,7 @@ class Conference < ActiveRecord::Base
                   :include_social_media_in_splash, :include_program_in_splash,
                   :make_conference_public, :photos_attributes, :banner_photo,
                   :include_banner_in_splash, :targets, :targets_attributes, :campaigns,
-                  :campaigns_attributes
+                  :campaigns_attributes, :instagram_url
 
   has_paper_trail
 

app/views/admin/conference/edit.html.haml

@@ -46,4 +46,5 @@
         = f.input :facebook_url, hint: 'This will appear in the social media section as link to the Facebook page of your Conference'
         = f.input :google_url, label: 'Google+ Url', hint: 'This will appear in the social media section as the link to the Google+ Page of your Conference'
         = f.input :twitter_url, hint: 'This will appear in the social media section as the link to   the Twitter Page of your Conference'
+        = f.input :instagram_url, hint: 'This will appear in the social media section as the link to   the Instagram Page of your Conference'
       = f.action :submit, :as => :button, :button_html => {:class => "btn btn-primary"}

db/migrate/20140627165718_add_instagram_url_to_conference.rb

@@ -0,0 +1,5 @@
+class AddInstagramUrlToConference < ActiveRecord::Migration
+  def change
+    add_column :conferences, :instagram_url, :string
+  end
+end

db/schema.rb

@@ -125,6 +125,7 @@ ActiveRecord::Schema.define(version: 20140626123837) do
     t.integer  "banner_photo_file_size"
     t.datetime "banner_photo_updated_at"
     t.boolean  "include_banner_in_splash",        default: false
+    t.string   "instagram_url"
   end
 
   create_table "conferences_questions", id: false, force: true do |t|