updated grading help text on weight of total grade to be more clear that it…

updated grading help text on weight of total grade to be more clear that it should be an integer without the percent sign

cms/templates/js/course_grade_policy.underscore

 <li class="field-group course-grading-assignment-list-item">
   <div class="field text" id="field-course-grading-assignment-name">
   	<label for="course-grading-assignment-name">Assignment Type	Name</label>
-  	<input type="text" class="long" id="course-grading-assignment-name" value="<%= model.get('type') %>" /> 
-  	<span class="tip tip-stacked">e.g. Homework, Midterm Exams</span> 
+  	<input type="text" class="long" id="course-grading-assignment-name" value="<%= model.get('type') %>" />
+  	<span class="tip tip-stacked">e.g. Homework, Midterm Exams</span>
   </div>
 
   <div class="field text" id="field-course-grading-assignment-shortname">
     <label for="course-grading-assignment-shortname">Abbreviation:</label>
-    <input type="text" class="short" id="course-grading-assignment-shortname" value="<%= model.get('short_label') %>" /> 
+    <input type="text" class="short" id="course-grading-assignment-shortname" value="<%= model.get('short_label') %>" />
     <span class="tip tip-inline">e.g. HW, Midterm</span>
   </div>
-  
+
   <div class="field text" id="field-course-grading-assignment-gradeweight">
     <label for="course-grading-assignment-gradeweight">Weight of Total Grade</label>
-    <input type="text" class="short" id="course-grading-assignment-gradeweight" value = "<%= model.get('weight') %>" /> 
-    <span class="tip tip-inline">e.g. 25%</span>
+    <input type="text" class="short" id="course-grading-assignment-gradeweight" value = "<%= model.get('weight') %>" />
+    <span class="tip tip-inline">as a percent, e.g. 40</span>
   </div>
-  
+
   <div class="field text" id="field-course-grading-assignment-totalassignments">
     <label for="course-grading-assignment-totalassignments">Total
 			Number</label>
-    <input type="text" class="short" id="course-grading-assignment-totalassignments" value = "<%= model.get('min_count') %>" /> 
+    <input type="text" class="short" id="course-grading-assignment-totalassignments" value = "<%= model.get('min_count') %>" />
     <span class="tip tip-inline">total exercises assigned</span>
   </div>
-  
+
   <div class="field text" id="field-course-grading-assignment-droppable">
     <label for="course-grading-assignment-droppable">Number of
 			Droppable</label>
     <input type="text" class="short" id="course-grading-assignment-droppable" value = "<%= model.get('drop_count') %>" />
     <span class="tip tip-inline">total exercises that won't be graded</span>
   </div>
-  
+
   <div class="actions">
   	<a href="#" class="button delete-button standard remove-item remove-grading-data"><span class="delete-icon"></span>Delete</a>
   </div>