Add specs for user changing table

app/assets/javascripts/qwaiter.js.coffee

@@ -20,7 +20,7 @@ window.Qwaiter=
       .append('<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>')
       .append('<h3>'+title+'</h3>').appendTo(wrapper)
     body = $('<div class="modal-body"></div>').append('<p>'+content+'</p>').appendTo(wrapper)
-    ok_button = $('<a href="#" class="btn btn-primary">Yes</a>')
+    ok_button = $('<a href="#" class="btn btn-primary confirm-ok">Yes</a>')
     if typeof(options.ok) == 'function'
       ok_button.click(callback_wrapper)
     else
@@ -28,7 +28,7 @@ window.Qwaiter=
         eval(options.ok)
         wrapper.modal('hide')
     footer = $('<div class="modal-footer"></div>')
-      .append($('<a href="#" class="btn">Close</a>').click(callback_cancel_wrapper))
+      .append($('<a href="#" class="btn confirm-cancel">Close</a>').click(callback_cancel_wrapper))
       .append(ok_button)
       .appendTo(wrapper)
     wrapper.modal()