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

app/views/proposal/registrations.html.haml

@@ -1,40 +0,0 @@
-.container
-  .row
-    .col-md-10.col-md-offset-1
-      .page-header
-        %h1
-          Registrations
-          - if @event.max_attendees
-            (#{@event.events_registrations.length}/#{@event.max_attendees})
-          - else
-            (#{@event.events_registrations.length})
-        .text-muted
-          for
-          = @event.title
-
-      .well
-        %table.table.table-hover.table-borderd.table-striped.datatable#registrations
-          %thead
-            %th
-            %th Name
-            %th Email
-            %th Created AT
-            %th Attended
-            %th Attended Conference
-          %tbody
-            - @event.events_registrations.each.with_index(1) do |event_registration, index|
-              %tr
-                %td= index
-                %td= event_registration.name
-                %td= event_registration.email
-                %td= event_registration.created_at
-                %td.text-center
-                  - if event_registration.attended
-                    %i.fa.fa-check.text-success
-                  - else
-                    %i.fa.fa-times.text-danger
-                %td
-                  - if event_registration.registration.attended
-                    %i.fa.fa-check.text-success
-                  -else
-                    %i.fa.fa-times.text-danger