Added field for colour setting

app/views/admin/sites/responsive_setting.html.erb

@@ -35,7 +35,7 @@
                         <% if @site.mobile_icon.file.present? %>
                          <%= image_tag( @site.mobile_icon, :size=>"120x120") rescue ''%>
                         <% else %>
-                         <%= image_tag "orbit-logo.png",:class => "pull-left upload-picture"%>
+                         <%= image_tag asset_path('mobile/logo.png'),:class => "pull-left upload-picture"%>
                         <% end %>
                         </div>
                         <div class="fileupload-preview fileupload-exists thumbnail pull-left"></div>