Integrate the splash page into the general layout

* Cleanup the CSS
* Fix more views then you have fingers and toes
* Introduce position(weight) for sponsor levels
* Fix bootstrap/datatable integration

app/views/conference/_tickets.html.haml

@@ -1,15 +1,21 @@
-%div.row
-  %h3 Tickets
-  -if @conference.splashpage.ticket_description.present?
-    .lead
-      = markdown(@conference.splashpage.ticket_description)
-    - @conference.tickets.each do |s|
-      %div.col-md-6
+.container
+  .row
+    .col-md-12.text-center
+      %h1
+        Support
+        =@conference.short_title
+        %p.lead
+          To support our event you can purchase tickets
+  .row
+    - @conference.tickets.each do |ticket|
+      %div{ class: (@conference.tickets.count <= 2 ? "col-md-#{12/@conference.tickets.count}" : "col-md-4") }
         - if ticket.title.present?
-          %h4 #{ ticket.title }
+          %h4.text-center
+            =ticket.title
         - if ticket.description.present?
-          .lead
-            = markdown(ticket.description)
-        %div.btn-group
-          = link_to "Buy Ticket", conference_tickets_path(@conference.short_title), class: 'btn btn-success'
-          = button_tag "#{humanized_money_with_symbol ticket.price}", class: 'btn btn-success'
+          = markdown(ticket.description)
+        .text-center
+          .btn-group
+            = link_to(conference_tickets_path(@conference.short_title), class: 'btn btn-success') do
+              Buy Ticket
+              = "#{humanized_money_with_symbol ticket.price}"