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

spec/views/admin/lodgings/index.html.haml_spec.rb

@@ -4,7 +4,7 @@ describe 'admin/lodgings/index' do
   it 'renders lodgings list' do
     @conference = create(:conference)
     @conference.venue = create(:venue)
-    @conference.venue.lodgings << create(:lodging, venue: @conference.venue)
+    @conference.lodgings << create(:lodging)
     assign :venue, @conference.venue
     render
     expect(rendered).to include('Example Hotel')

spec/views/admin/venues/edit.html.haml_spec.rb

@@ -1,17 +0,0 @@
-require 'spec_helper'
-
-describe 'admin/venues/edit' do
-
-  it 'renders venues#show' do
-    @conference = create(:conference)
-    @venue = @conference.venue
-    @venue.name = 'Croatia'
-    @venue.description = 'Lorem ipsum dolsum'
-    @venue.save!
-    assign :conference, @conference
-    assign :venue, @venue
-    render
-    expect(rendered).to include('Croatia')
-    expect(rendered).to include('Lorem ipsum dolsum')
-  end
-end