Retire semantic_form_for

Also a buttload of form cleanups...

app/views/admin/volunteers/_vday_fields.html.erb

@@ -1,7 +0,0 @@
-<div class="nested-fields">
-    <%= f.inputs do %>
-        <%= f.date_select :day %>
-        <%= f.input :description, input_html: {rows: '2', class: 'col-md-8'} %>
-        <%= remove_association_link :vday, f %>
-    <% end %>
-</div>

app/views/admin/volunteers/_vday_fields.html.haml

@@ -0,0 +1,4 @@
+.nested-fields
+  = f.date_select :day
+  = f.text_field :description, rows: '2', class: 'col-md-8'
+  = remove_association_link :vday, f

app/views/admin/volunteers/_vposition_fields.html.erb

@@ -1,8 +0,0 @@
-<div class="nested-fields">
-    <%= f.inputs do %>
-        <%= f.input :title %>
-        <%= f.input :description, input_html: {rows: '2', class: 'col-md-8'}%>
-        <%= f.input :vdays, collection: @conference.vdays.map {|x| [x.day, x.id]}, label: 'Position is required for the following days:'%>
-        <%= remove_association_link :vposition, f %>
-    <% end %>
-</div>

app/views/admin/volunteers/_vposition_fields.html.haml

@@ -0,0 +1,6 @@
+.nested-fields
+  = f.text_field :title
+  = f.text_area :description, rows: '2', class: 'col-md-8'
+  = f.label :vdays, 'Position is required for the following days:'
+  = f.select :vdays, @conference.vdays.pluck(:day, :id)
+  = remove_association_link :vposition, f

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

@@ -1,14 +1,15 @@
 .row
   .col-md-8
-    = semantic_form_for(@conference, url: admin_conference_volunteers_update_path(@conference.short_title)) do |f|
-      = f.action :submit, as: :button, button_html: {class: 'btn btn-primary'}
-      %br
-      %br
-      = f.input :use_volunteers, label: 'Enable Volunteering'
-      .row
-        .col-md-6
-          = f.input :use_vdays, label: false  
-          = dynamic_association :vdays, "Volunteer Days", f
-        .col-md-6
-          = f.input :use_vpositions, label: false  
-          = dynamic_association :vpositions, "Volunteer positions", f
+    = form_for(@conference, url: admin_conference_volunteers_update_path(@conference.short_title)) do |f|
+      = f.submit nil, class: 'btn btn-primary'
+      .checkbox
+        %label
+          = f.check_box :use_volunteers
+          Enable Volunteering
+      .checkbox
+        %label
+        = f.check_box :use_vdays
+        = dynamic_association :vdays, "Volunteer Days", f
+      .col-md-6
+        = f.check_box :use_vpositions
+        = dynamic_association :vpositions, "Volunteer positions", f