Track related refactoring

Add roles as nested routes to track (for the track organizer role)
Allow transition from to_accept to to_reject and backwards
Split Track#valid_dates validation to many independent ones
Show all the confirmed tracks in the conference's splashpage
Add comment in admin/Tracks#toggle_cfp_inclusion
Rewrite admin/TracksController#accept spec
Add feature spec for track requests
Change 'In' to 'Room' in Tracks#index
Rewrite Track#overlapping
Refactor code in ProposalsController
Fix typos

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

@@ -27,15 +27,17 @@
               = role.users.pluck(:name).first(5).join ', '
               - if role.users.count > 5
                 - if role.resource_type == 'Track'
-                  = link_to '...', track_admin_conference_role_path(@conference.short_title, role.name, role.resource)
+                  = link_to '...', admin_conference_program_track_role_path(@conference.short_title, role.resource, role.name)
                 - else
                   = link_to '...', admin_conference_role_path(@conference.short_title, role.name)
             %td
               .btn-group
                 - if role.resource_type == 'Track'
-                  = link_to 'Users', track_admin_conference_role_path(@conference.short_title, role.name, role.resource), class: 'btn btn-success'
+                  = link_to 'Users', admin_conference_program_track_role_path(@conference.short_title, role.resource, role.name),
+                  class: 'btn btn-success'
                   - if can? :edit, role
-                    = link_to 'Edit', track_edit_admin_conference_role_path(@conference.short_title, role.name, role.resource), class: 'btn btn-primary'
+                    = link_to 'Edit', edit_admin_conference_program_track_role_path(@conference.short_title, role.resource, role.name),
+                    class: 'btn btn-primary'
                 - else
                   = link_to 'Users', admin_conference_role_path(@conference.short_title, role.name), class: 'btn btn-success'
                   - if can? :edit, role

app/views/admin/roles/show.html.haml

@@ -7,7 +7,8 @@
         = @role.name.titleize
         - if can? :edit, @role
           - if @track
-            = link_to 'Edit', track_edit_admin_conference_role_path(@conference.short_title, @role.name, @track), class: 'btn btn-primary pull-right'
+            = link_to 'Edit', edit_admin_conference_program_track_role_path(@conference.short_title, @track, @role.name),
+            class: 'btn btn-primary pull-right'
           - else
             = link_to 'Edit', edit_admin_conference_role_path(@conference.short_title, @role.name), class: 'btn btn-primary pull-right'
       .text-muted

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

@@ -24,7 +24,7 @@
           %tr
             %td
               = track.id
-            %td{style: "padding: 15px 0px 0px 10px;"}
+            %td{ style: 'padding: 15px 0px 0px 10px;' }
               = link_to admin_conference_program_track_path(@conference.short_title, track), class: 'btn' do
                 %span.label{style: "background-color: #{track.color}; color: #{ contrast_color(track.color) }"}
                   = track.name
@@ -60,7 +60,7 @@
               - else
                 = track.state.humanize
             %td
-              .btn-group{role: "group"}
+              .btn-group{ role: 'group' }
                 - if can? :edit, track
                   = link_to 'Edit', edit_admin_conference_program_track_path(@conference.short_title, track), class: 'btn btn-primary'
                   - special_style = true

app/views/admin/tracks/toggle_cfp_inclusion.js.erb

@@ -5,4 +5,9 @@ track_cfp_td = $('#cfp_switch_' + track_id);
 track_cfp_value = <%= @track.cfp_active %>;
 
 track_cfp_td.attr('data-order', track_cfp_value);
+
+/*
+* The updated data-order attribute isn't taken into account
+* until we invalidate the cell
+*/
 $('#tracks').DataTable().cell(track_cfp_td).invalidate();