added description field to cfps

closes #1650

done some changes

minor changes

added markdown format to cfp#show

fixed description text  position in proposals

fixed truncated description text in show action

minor changes on non-admin side

app/views/admin/cfps/index.html.haml

@@ -12,6 +12,7 @@
           %th Type
           %th Start Date
           %th End Date
+          %th Description
           %th Days Left
           %th Actions
         %tbody
@@ -24,6 +25,9 @@
                 = cfp.start_date.strftime('%A, %B %-d. %Y')
               %td
                 = cfp.end_date.strftime('%A, %B %-d. %Y')
+              %td
+                %p
+                  = markdown(truncate(cfp.description))
               %td
                 = pluralize(cfp.remaining_days, 'day')
               %td