add panel-footer to inbox panel

app/views/inbox/_entry.html.haml

@@ -23,8 +23,20 @@
       Answer
     %button.btn.btn-danger{name: 'ib-destroy', data: { ib_id: i.id }}
       Delete
+    %button.btn.btn-default
+      Options
+  .panel-footer
+    %h4 Sharing
+    - if @services.count > 0
+      .row
       - current_user.services.each do |service|
+        .col-md-2.col-sm-4.col-xs-6
           %label
             %input{type: 'checkbox', name: 'ib-share', checked: :checked, data: { ib_id: i.id, service: service.provider }}
             Post to
             = service.provider.capitalize
+    - else
+      %p
+        You have not connected any services yet. Visit your
+        = link_to "service settings", services_path
+        to connect one.