Rename 'ConferenceController' to 'ConferencesController', and 'ProposalController' to 'ProposalsController'

app/views/admin/conferences/_recent_submissions.html.haml

@@ -0,0 +1,25 @@
+- if recent_events && !recent_events.empty?
+  .table-responsive
+    %table.table
+      %thead
+        %tr
+          %th #
+          %th Submitter
+          %th Title
+          %th Conference
+          %th Status
+        - recent_events.each_with_index do |event, index|
+          %tbody
+            %tr
+              %td= index + 1
+              - if event.submitter
+                %td= link_to event.submitter.name, admin_user_path(event.submitter.id)
+              - else
+                %td Unknown Submitter
+              %td= link_to event.title, admin_conference_program_event_path(event.program.conference.short_title, event)
+              %td= link_to event.program.conference.title, admin_conference_path(event.program.conference.short_title)
+              %td
+                .span{'class'=>label_for(event.state)} #{event.state.humanize}
+- else
+  %h5.text-warning.text-center
+    No submissions!