Introduce Booths for admin

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

@@ -0,0 +1,33 @@
+.row
+  .col-md-12
+    .page-header
+      %title Request a Booth
+.row
+  .col-md-8
+    = semantic_form_for(@booth,  url: @booth.new_record? ?  admin_conference_booths_path(@conference.short_title) : admin_conference_booth_path(@conference.short_title, @booth.id), html: { multipart: true }) do |f|
+      = f.input :title, as: :string, required: true
+      = f.input :description, input_html: { rows: 5, data: { provide: 'markdown-editable' } }, required: true,
+        hint: 'This field becomes public upon request acceptance'
+      = f.input :reasoning, input_html: { rows: 5, data: { provide: 'markdown-editable' } }, required: true,
+        label: 'How it fits the conference'
+      = f.input :submitter_relationship, input_html: { rows: 5, data: { provide: 'markdown-editable' } }, required: true,
+        label: 'Your personal relationship with the organization you are applying for',
+        hint: 'e.g. employee, member of the open source community etc'
+      = f.input :website_url
+      = responsibles_selector_input f
+      = image_tag f.object.picture.thumb.url if f.object.picture?
+      = f.input :picture
+
+      %p.text-right
+        - if @booth.new_record?
+          = f.submit 'Create Booth Request', class: 'btn btn-success'
+        - else
+          = f.submit 'Update Booth Request', class: 'btn btn-success'
+
+:javascript
+  $(document).ready(function() {
+    $('#booth_responsible_ids').selectize({
+      plugins: ['remove_button'],
+      minItems: 2
+    } )
+  });