Fix some bugs in previous commit

- Legacy-Id: 7806

ietf/group/features.py

@@ -22,4 +22,4 @@ class GroupFeatures(object):
             self.has_materials = True
 
         if self.has_chartering_process:
-            about_page = "group_charter"
+            self.about_page = "group_charter"

ietf/group/models.py

@@ -36,6 +36,13 @@ class GroupInfo(models.Model):
             res += " %s (%s)" % (self.type, self.acronym)
         return res
 
+    @property
+    def features(self):
+        if not hasattr(self, "features_cache"):
+            from ietf.group.features import GroupFeatures
+            self.features_cache = GroupFeatures(self)
+        return self.features_cache
+
     def about_url(self):
         # bridge gap between group-type prefixed URLs and /group/ ones
         from django.core.urlresolvers import reverse as urlreverse
@@ -88,13 +95,6 @@ class Group(GroupInfo):
     def bg_color(self):
         return bg_group_colors[self.upcase_acronym]
 
-    @property
-    def features(self):
-        if not hasattr(self, "features_cache"):
-            from ietf.group.features import GroupFeatures
-            self.features_cache = GroupFeatures(self)
-        return self.features_cache
-
     def json_url(self):
         return "/group/%s.json" % (self.acronym,)