Retire semantic_form_for

Also a buttload of form cleanups...

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

@@ -1,15 +1,5 @@
-.row
-  .col-md-12
-    .page-header
-      %h2
-        Role
-        = @role.name.titleize
-      .text-muted
-        = @role.description
-
-= semantic_form_for @role, url: @url do |f|
-  .row
-    .col-md-5
-      = f.input :description, input_html: { autofocus: true }
-
-      = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }
+= form_for @role, url: @url do |f|
+  .form-group
+    = f.label :description
+    = f.text_field :description, autofocus: true, class: 'form-control'
+  = f.submit nil, { class: 'btn btn-primary' }

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

@@ -0,0 +1,11 @@
+.row
+  .col-md-12
+    .page-header
+      %h2
+        Role
+        = @role.name.titleize
+      .text-muted
+        = @role.description
+.row
+  .col-md-5
+    = render partial: 'form'

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

@@ -17,16 +17,15 @@
           = link_to @track.name, admin_conference_program_track_path(@conference.short_title, @track)
 
 
-.row.col-md-3
-  - if ( can? :toggle_user, @role ) && !@role.new_record?
+.row
+  .col-md-3
+    - if ( can? :toggle_user, @role ) && !@role.new_record?
 
-    = semantic_form_for :user, url: @url, method: :post do |u|
-
-      = u.label 'Add user by email: '
-      .input-group
-        = u.input :email, input_html: { autofocus: true }, label: false, placeholder: "User's email"
-        .input-group-btn
-          = u.submit 'Add', id: 'user-add', class: 'btn btn-primary'
+      = form_for :user, url: @url, method: :post do |f|
+        .form-group
+          = f.label :email, 'Add user by email: '
+          = f.email_field :email, autofocus: true, placeholder: "User's email", class: 'form-control'
+        = f.submit 'Add', id: 'user-add', class: 'btn btn-primary'
 
 .row
   .col-md-12