Retire semantic_form_for

Also a buttload of form cleanups...

app/views/devise/ichain_sessions/new_test.html.haml

@@ -3,17 +3,21 @@
     .col-md-6.col-md-offset-3
       .panel.panel-default
         .panel-heading
-          %h3.panel-title
-            Sign in (TEST MODE)
+          %h3 Sign In (TEST MODE)
+          %p.text-muted
+            Just fill out all the details and you're logged in.
         .panel-body
-          = semantic_form_for "", method: :post, enctype: 'application/x-www-form-urlencoded', url: @login_url do |f|
-            = f.input :username, input_html: { autofocus: true }
-
-            - if ::Devise.ichain_force_test_attributes.blank?
+          = form_tag(@login_url, method: :post, enctype: 'application/x-www-form-urlencoded', id: 'session') do
+            .form-group
+              = label_tag :username, "Username"
+              = text_field_tag :username, "", :autofocus => true, :placeholder => 'Username', :class => 'form-control', :required => "required"
+            .form-group
               - @fields.each do |field|
-                = f.input "attributes[#{field}]", label: field.to_s.humanize
-
+                = label_tag "attributes[#{field}]",  field.to_s.humanize
+                = text_field_tag "attributes[#{field}]", nil, :class => 'form-control', :required => "required"
             %p.text-right
-              = f.action :submit, as: :button, label: 'Sign In', button_html: { class: 'btn btn-success' }
+              %button{type: 'submit', class: 'btn btn-success'}
+                Sign In
 
-            = render partial: 'devise/shared/help'
+          - if devise_mapping.ichain_registerable?
+            = link_to "Sign up", new_ichain_registration_path(resource_name)