diff --git a/.ruby-version b/.ruby-version
index dd472cffa2..311baaf3e2 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-1.8.7-p371
\ No newline at end of file
+1.9.3-p374
diff --git a/cms/djangoapps/contentstore/features/advanced-settings.py b/cms/djangoapps/contentstore/features/advanced-settings.py
index ec58aeccc6..1024579b45 100644
--- a/cms/djangoapps/contentstore/features/advanced-settings.py
+++ b/cms/djangoapps/contentstore/features/advanced-settings.py
@@ -39,7 +39,7 @@ def reload_the_page(step):
 def edit_the_name_of_a_policy_key(step):
     policy_key_css = 'input.policy-key'
     e = css_find(policy_key_css).first
-    e.fill('new')
+    e.type('_new')
 
 
 @step(u'I press the "([^"]*)" notification button$')
@@ -97,7 +97,12 @@ def i_see_only_display_name(step):
 
 @step('there are no advanced policy settings$')
 def no_policy_settings(step):
-    assert_policy_entries([], [])
+    keys_css = 'input.policy-key'
+    val_css = 'textarea.json'
+    k = world.browser.is_element_not_present_by_css(keys_css, 5)
+    v = world.browser.is_element_not_present_by_css(val_css, 5)
+    assert_true(k)
+    assert_true(v)
 
 
 @step('they are alphabetized$')
@@ -121,7 +126,7 @@ def the_policy_key_name_is_unchanged(step):
 def the_policy_key_name_is_changed(step):
     policy_key_css = 'input.policy-key'
     val = css_find(policy_key_css).first.value
-    assert_equal(val, 'new')
+    assert_equal(val, 'display_name_new')
 
 
 @step(u'the policy key value is unchanged$')
@@ -170,8 +175,8 @@ def delete_entry(index):
 
 
 def assert_policy_entries(expected_keys, expected_values):
-    assert_entries('.key input', expected_keys)
-    assert_entries('.json', expected_values)
+    assert_entries('.key input.policy-key', expected_keys)
+    assert_entries('textarea.json', expected_values)
 
 
 def assert_entries(css, expected_values):
@@ -184,14 +189,6 @@ def assert_entries(css, expected_values):
 
 def click_save():
     css = "a.save-button"
-
-    # def is_shown(driver):
-    #     visible = css_find(css).first.visible
-    #     if visible:
-    #         # Even when waiting for visible, this fails sporadically. Adding in a small wait.
-    #         time.sleep(float(1))
-    #     return visible
-    # wait_for(is_shown)
     css_click_at(css)
 
 
diff --git a/cms/djangoapps/contentstore/features/common.py b/cms/djangoapps/contentstore/features/common.py
index f7e76ecf7f..2ec0427e1d 100644
--- a/cms/djangoapps/contentstore/features/common.py
+++ b/cms/djangoapps/contentstore/features/common.py
@@ -126,7 +126,7 @@ def css_find(css):
     def is_visible(driver):
         return EC.visibility_of_element_located((By.CSS_SELECTOR,css,))
 
-    assert_true(world.browser.is_element_present_by_css(css, 5))
+    world.browser.is_element_present_by_css(css, 5)
     wait_for(is_visible)
     return world.browser.find_by_css(css)
 
diff --git a/cms/static/js/views/settings/advanced_view.js b/cms/static/js/views/settings/advanced_view.js
index 2f2abb8d25..a933bbdb9b 100644
--- a/cms/static/js/views/settings/advanced_view.js
+++ b/cms/static/js/views/settings/advanced_view.js
@@ -229,7 +229,7 @@ CMS.Views.Settings.Advanced = CMS.Views.ValidatingView.extend({
                 var error = {};
                 error[oldKey] = 'You have already defined "' + newKey + '" in the manual policy definitions.';
                 error[newKey] = "You tried to enter a duplicate of this key.";
-                this.model.trigger("error", this.model, error);
+                this.model.trigger("invalid", this.model, error);
                 return false;
             }
 
@@ -245,7 +245,7 @@ CMS.Views.Settings.Advanced = CMS.Views.ValidatingView.extend({
                     // swap to the key which the map knows about
                     validation[oldKey] = validation[newKey];
                 }
-                this.model.trigger("error", this.model, validation);
+                this.model.trigger("invalid", this.model, validation);
                 // abandon update
                 return;
             }
diff --git a/common/lib/capa/capa/inputtypes.py b/common/lib/capa/capa/inputtypes.py
index f614743e67..9781f10ae6 100644
--- a/common/lib/capa/capa/inputtypes.py
+++ b/common/lib/capa/capa/inputtypes.py
@@ -366,6 +366,12 @@ class ChoiceGroup(InputTypeBase):
 
         self.choices = self.extract_choices(self.xml)
 
+    @classmethod
+    def get_attributes(cls):
+        return [Attribute("show_correctness", "always"),
+                Attribute("submitted_message", "Answer received.")]
+
+
     def _extra_context(self):
         return {'input_type': self.html_input_type,
                 'choices': self.choices,
diff --git a/common/lib/capa/capa/templates/choicegroup.html b/common/lib/capa/capa/templates/choicegroup.html
index 8816933075..e1ff40b6a1 100644
--- a/common/lib/capa/capa/templates/choicegroup.html
+++ b/common/lib/capa/capa/templates/choicegroup.html
@@ -1,7 +1,7 @@
 <form class="choicegroup capa_inputtype" id="inputtype_${id}">
     <div class="indicator_container">
     % if input_type == 'checkbox' or not value:
-        % if status == 'unsubmitted':
+        % if status == 'unsubmitted' or show_correctness == 'never':
         <span class="unanswered" style="display:inline-block;" id="status_${id}"></span>
         % elif status == 'correct': 
         <span class="correct" id="status_${id}"></span>
@@ -21,11 +21,15 @@
             <% 
                 if status == 'correct':
                     correctness = 'correct'
-                if status == 'incorrect':
+                elif status == 'incorrect':
                     correctness = 'incorrect'
+                else:
+                    correctness = None
             %>
+            % if correctness and not show_correctness=='never':
             class="choicegroup_${correctness}"
             % endif
+            % endif
             >  
             <input type="${input_type}" name="input_${id}${name_array_suffix}" id="input_${id}_${choice_id}" value="${choice_id}"
             % if choice_id in value:
@@ -37,4 +41,7 @@
         <span id="answer_${id}"></span>
     </fieldset>
 
+    % if show_correctness == "never" and (value or status not in ['unsubmitted']):
+    <div class="capa_alert">${submitted_message}</div>
+    %endif
 </form>
diff --git a/common/lib/capa/capa/tests/test_inputtypes.py b/common/lib/capa/capa/tests/test_inputtypes.py
index f670a38746..287caad28f 100644
--- a/common/lib/capa/capa/tests/test_inputtypes.py
+++ b/common/lib/capa/capa/tests/test_inputtypes.py
@@ -102,6 +102,8 @@ class ChoiceGroupTest(unittest.TestCase):
                     'choices': [('foil1', '<text>This is foil One.</text>'),
                                 ('foil2', '<text>This is foil Two.</text>'),
                                 ('foil3', 'This is foil Three.'), ],
+                    'show_correctness': 'always',
+                    'submitted_message': 'Answer received.',
                     'name_array_suffix': expected_suffix,   # what is this for??
                     }
 
diff --git a/common/lib/xmodule/xmodule/course_module.py b/common/lib/xmodule/xmodule/course_module.py
index 72196f92a2..764a35b77a 100644
--- a/common/lib/xmodule/xmodule/course_module.py
+++ b/common/lib/xmodule/xmodule/course_module.py
@@ -246,7 +246,7 @@ class CourseDescriptor(SequenceDescriptor):
             policy = json.loads(cls.read_grading_policy(paths, system))
         except ValueError:
             system.error_tracker("Unable to decode grading policy as json")
-            policy = None
+            policy = {}
 
         # cdodge: import the grading policy information that is on disk and put into the
         # descriptor 'definition' bucket as a dictionary so that it is persisted in the DB
@@ -398,7 +398,7 @@ class CourseDescriptor(SequenceDescriptor):
         return self.metadata.get("cohort_config", {}).get(
             "auto_cohort_groups", [])
 
-    
+
     @property
     def top_level_discussion_topic_ids(self):
         """
diff --git a/lms/djangoapps/django_comment_client/utils.py b/lms/djangoapps/django_comment_client/utils.py
index dde219294c..7cc36c491b 100644
--- a/lms/djangoapps/django_comment_client/utils.py
+++ b/lms/djangoapps/django_comment_client/utils.py
@@ -18,7 +18,6 @@ import pystache_custom as pystache
 
 from xmodule.modulestore import Location
 from xmodule.modulestore.django import modulestore
-from xmodule.modulestore.search import path_to_location
 
 log = logging.getLogger(__name__)
 
@@ -166,7 +165,6 @@ def initialize_discussion_info(course):
     # get all discussion models within this course_id
     all_modules = modulestore().get_items(['i4x', course.location.org, course.location.course, 'discussion', None], course_id=course_id)
 
-    path_to_locations = {}
     for module in all_modules:
         skip_module = False
         for key in ('id', 'discussion_category', 'for'):
@@ -174,14 +172,6 @@ def initialize_discussion_info(course):
                 log.warning("Required key '%s' not in discussion %s, leaving out of category map" % (key, module.location))
                 skip_module = True
 
-        # cdodge: pre-compute the path_to_location. Note this can throw an exception for any
-        # dangling discussion modules
-        try:
-            path_to_locations[module.location] = path_to_location(modulestore(), course.id, module.location)
-        except NoPathToItem:
-            log.warning("Could not compute path_to_location for {0}. Perhaps this is an orphaned discussion module?!? Skipping...".format(module.location))
-            skip_module = True
-
         if skip_module:
             continue
 
@@ -246,7 +236,6 @@ def initialize_discussion_info(course):
     _DISCUSSIONINFO[course.id]['id_map'] = discussion_id_map
     _DISCUSSIONINFO[course.id]['category_map'] = category_map
     _DISCUSSIONINFO[course.id]['timestamp'] = datetime.now()
-    _DISCUSSIONINFO[course.id]['path_to_location'] = path_to_locations
 
 
 class JsonResponse(HttpResponse):
@@ -403,21 +392,8 @@ def get_courseware_context(content, course):
         location = id_map[id]["location"].url()
         title = id_map[id]["title"]
 
-        # cdodge: did we pre-compute, if so, then let's use that rather than recomputing
-        if 'path_to_location' in _DISCUSSIONINFO[course.id] and location in _DISCUSSIONINFO[course.id]['path_to_location']:
-            (course_id, chapter, section, position) = _DISCUSSIONINFO[course.id]['path_to_location'][location]
-        else:
-            try:
-                (course_id, chapter, section, position) = path_to_location(modulestore(), course.id, location)
-            except NoPathToItem:
-                # Object is not in the graph any longer, let's just get path to the base of the course
-                # so that we can at least return something to the caller
-                (course_id, chapter, section, position) = path_to_location(modulestore(), course.id, course.location)
-
-        url = reverse('courseware_position', kwargs={"course_id":course_id,
-                                                     "chapter":chapter,
-                                                     "section":section,
-                                                     "position":position})
+        url = reverse('jump_to', kwargs={"course_id":course.location.course_id, 
+                                                    "location": location})
 
         content_info = {"courseware_url": url, "courseware_title": title}
     return content_info
diff --git a/lms/static/images/university/delft/delft-cover.jpg b/lms/static/images/university/delft/delft-cover.jpg
index 73092d7596..e69c836908 100644
Binary files a/lms/static/images/university/delft/delft-cover.jpg and b/lms/static/images/university/delft/delft-cover.jpg differ