Another round of splash design

* Add map to splash
* Reverse venue<->conference relation
* Split venue address into fields
* Don't go through venue for lodgings anymore

db/migrate/20141118162030_change_lodging_association_to_conference.rb

@@ -0,0 +1,32 @@
+class ChangeLodgingAssociationToConference < ActiveRecord::Migration
+  class TempConference < ActiveRecord::Base
+    self.table_name = 'conferences'
+  end
+
+  class TempVenue < ActiveRecord::Base
+    self.table_name = 'venues'
+  end
+
+  class TempLodging < ActiveRecord::Base
+    self.table_name = 'lodgings'
+    attr_accessible :conference_id
+  end
+
+  def change
+    add_column :lodgings, :conference_id, :integer
+    TempLodging.reset_column_information
+
+    # Change association from venue and conference
+    TempConference.all.each do |conference|
+      if TempVenue.exists?(conference_id: conference.id)
+        venue = TempVenue.find_by(conference_id: conference.id)
+        lodgings = TempLodging.where(venue_id: venue.id)
+        lodgings.each do |lodging|
+	  lodging.update_attributes(conference_id: conference.id)
+        end
+      end
+    end
+
+    remove_column :lodgings, :venue_id, :integer
+  end
+end