remove $ from variable

Author: therealmarv

template_bootstrap2.html

@@ -130,8 +130,8 @@ <h1 id="question">Question</h1> <!-- The question will be loaded here -->
         $("#question").html(task.info.question);
         $('#task-id').html(task.id);
         $('.btn-answer').off('click').on('click', function(evt) {
-            var $btn = $(this);
-            var answer = $btn.attr("value");
+            var btn = $(this);
+            var answer = btn.attr("value");
             if (typeof answer != 'undefined') {
                 //console.log(answer);
                 pybossa.saveTask(task.id, answer).done(function() {