allow student state of module other than problem to be reset by instructor

this makes it possible to reset open ended response problems

lms/djangoapps/instructor/views.py

@@ -229,9 +229,11 @@ def instructor_dashboard(request, course_id):
 
         if student_to_reset is not None:
             # find the module in question
+            if '/' not in problem_to_reset:				# allow state of modules other than problem to be reset
+                problem_to_reset = "problem/" + problem_to_reset	# but problem is the default
             try:
                 (org, course_name, run) = course_id.split("/")
-                module_state_key = "i4x://" + org + "/" + course_name + "/problem/" + problem_to_reset
+                module_state_key = "i4x://" + org + "/" + course_name + "/" + problem_to_reset
                 module_to_reset = StudentModule.objects.get(student_id=student_to_reset.id,
                                                           course_id=course_id,
                                                           module_state_key=module_state_key)

lms/templates/courseware/instructor_dashboard.html

@@ -197,7 +197,7 @@ function goto( mode)
     <p>edX email address or their username: </p>
     <p><input type="text" name="unique_student_identifier">  <input type="submit" name="action" value="Get link to student's progress page"></p>
     <p>and, if you want to reset the number of attempts for a problem, the urlname of that problem</p>
-    <p> <input type="text" name="problem_to_reset"> <input type="submit" name="action" value="Reset student's attempts">  </p>
+    <p> <input type="text" name="problem_to_reset" size="60"> <input type="submit" name="action" value="Reset student's attempts">  </p>
 
     %if instructor_access:
     <p> You may also delete the entire state of a student for a problem: