Update user settings page to new layout

app/views/users/edit.html.slim

@@ -1,17 +1,20 @@
-section.supplimental
-  .wrapper
-    h1 Your account
+.container
+  = form_for @user, html: { class: 'form-horizontal' } do |f|
+    legend Your account
 
-    = simple_form_for(@user) do |f|
-      = f.error_notification
+    .form-group
+      = f.label :nickname, 'Username *', class: 'col-sm-2 control-label'
+      .col-sm-10 = f.text_field :nickname, class: 'form-control'
 
-      .form-inputs
-        = f.input :nickname, label: 'Username'
-        = f.input :email
-        = f.input :name, label: 'Real name'
+    .form-group
+      = f.label :email, 'E-mail *', class: 'col-sm-2 control-label'
+      .col-sm-10 = f.email_field :email, class: 'form-control'
 
-      .form-actions
-        = f.button :submit, 'Save'
-        = link_to 'Cancel', profile_path(current_user), class: 'btn'
+    .form-group
+      = f.label :name, 'Real name', class: 'col-sm-2 control-label'
+      .col-sm-10 = f.text_field :name, class: 'form-control'
 
-    .vertical-expander
+    .form-group
+      .col-sm-offset-2.col-sm-10
+        = f.submit 'Save', class: 'btn btn-primary'
+        = link_to 'Cancel', profile_path(current_user), class: 'btn'