i18n the tip text on studio grading page, and adding a missing space on the 'New Assignment' button

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>
+  	<label for="course-grading-assignment-name"><%= gettext("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>
+  	<span class="tip tip-stacked"><%= gettext("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>
+    <label for="course-grading-assignment-shortname"><%= gettext("Abbreviation") %>:</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>
+    <span class="tip tip-inline"><%= gettext("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>
+    <label for="course-grading-assignment-gradeweight"><%= gettext("Weight of Total Grade") %></label>
     <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>
+    <span class="tip tip-inline"><%= gettext("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>
+    <label for="course-grading-assignment-totalassignments"><%= gettext("Total Number") %></label>
     <input type="text" class="short" id="course-grading-assignment-totalassignments" value = "<%= model.get('min_count') %>" />
-    <span class="tip tip-inline">total exercises assigned</span>
+    <span class="tip tip-inline"><%= gettext("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>
+    <label for="course-grading-assignment-droppable"><%= gettext("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>
+    <span class="tip tip-inline"><%= gettext("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>
+  	<a href="#" class="button delete-button standard remove-item remove-grading-data"><span class="delete-icon"></span><%= gettext("Delete") %></a>
   </div>
 </li>

cms/templates/settings_graders.html

@@ -115,7 +115,7 @@ require(["domReady!", "jquery", "js/views/settings/grading", "js/models/settings
 
           <div class="actions">
             <a href="#" class="new-button new-course-grading-item add-grading-data">
-              <i class="icon-plus"></i>${_("New Assignment Type")}
+              <i class="icon-plus"></i> ${_("New Assignment Type")}
             </a>
           </div>
         </section>