add preferences and customization (#171)

app/views/landing/preferences.html.erb

@@ -0,0 +1,42 @@
+<%
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+# Copyright (c) 2016 BigBlueButton Inc. and by respective authors (see below).
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
+%>
+
+<div class="center-panel-wrapper">
+
+  <%= render layout: 'shared/center_panel' do %>
+
+    <div class="center-block center-panel-content-size col-xs-12">
+      <h1><%= t('preferences') %></h1>
+      <br>
+
+      <% if @user %>
+        <div class="upload-form">
+          <p> <%= t('background_image') + ": " + (@user.background_file_name || '')  %> </p>
+          <%= form_for @user, :html => { :multipart => true } do |f| %>
+            <div class="form-group">
+              <%= f.file_field :background, class: 'form-control'%>
+            </div>
+            <%= f.submit t('upload'), class: 'btn btn-info' %>
+          <% end %>
+        </div>
+      <% else %>
+        <h3><%= t('preferences_logged') %></h3>
+      <% end %>
+      <br><br>
+      <%= link_to t('back'), @user ? meeting_room_url(resource: 'rooms', id: @user.encrypted_id) : root_url, class: 'btn btn-info' %>
+    </div>
+
+  <% end %>
+</div>