Adds sponsors to splash

app/views/conference/_sponsor.html.haml

@@ -0,0 +1,23 @@
+= content_for :splash_nav do
+  %li
+    %a{ href: '#sponsors' } Sponsors
+%div.container#sponsors.text-center
+  %div.row
+    %div.col-md-12
+      %h2 Sponsors
+      -if !@conference.sponsor_description.blank?
+        %p #{ @conference.sponsor_description }
+      -if !@conference.sponsor_email.blank?
+        %h3= mail_to "#{ @conference.sponsor_email }", 'Become a Sponsor'
+  - if !@conference.sponsorship_levels.blank?
+    - @conference.sponsorship_levels.each do |l|
+      - if !l.sponsors.blank?
+        %div.row
+          %h4 #{l.title}
+          - l.sponsors.each_with_index do |r,index|
+            %div.col-md-4
+              - if !r.logo.blank?
+                = link_to image_tag(r.logo(:large), class: 'img-responsive', alt: "#{r.name} Logo", title: "#{r.description}"), "http://#{r.website_url}"
+            - unless index == 0
+              - if index%2 == 0
+                %div.clearfix.visible-md.visible-lg

app/views/conference/show.html.haml

@@ -7,4 +7,6 @@
 -unless @conference.call_for_papers.blank?
   %div#callforpapers
     = render 'call_for_papers'
+%div#sponsors
+  = render 'sponsor'