Implements program section for unscheduled events

close #610

app/views/conference/_program.html.haml

@@ -1,47 +0,0 @@
-.container
-  .row
-    .col-md-12
-      %h2.text-center
-        Program
-      %p.lead.text-center
-        = @conference.short_title
-        has the most awesome program ever!
-        - if @conference.splashpage and @conference.tracks.any? and @conference.splashpage.include_tracks
-          See rock-star speakers cover the topics of
-      - if @conference.splashpage and @conference.splashpage.include_tracks
-        - @conference.tracks.each_slice(3) do |slice|
-          .row.row-centered
-            - slice.each do |track|
-              .col-md-4.col-sm-4.col-centered.col-top.track
-                %h4.text-center
-                  = track.name
-                = markdown(track.description)
-
-  - if @conference.call_for_paper and @conference.call_for_paper.schedule_public
-    .row
-      .col-md-12
-        %p.cta-button.text-center
-          = link_to(schedule_conference_path(@conference.short_title), class: 'btn btn-default btn-lg') do
-            Full Schedule
-
-
-  %h3.text-center
-    Don't miss out!
-  %br
-  - if @conference.events.highlights.any?
-    .row
-      .col-md-12
-        - @conference.events.highlights.each_slice(2) do |slice|
-          .row.row-centered
-            - slice.each do |event|
-              .col-md-6.col-centered.col-top.highlights
-                %p.text-center
-                  %b= event.title
-                %h5.text-center
-                  = simple_format truncate(event.abstract, length: 500, separator: ' ')
-                  = link_to "Read More", conference_proposal_path(@conference.short_title, event)
-
-  = content_for :splash_nav do
-    %li
-      =link_to('#program', class: 'smoothscroll') do
-        Program