Allow percent correct for clickable and dnd

Author: bnmnetp

controllers/admin.py

@@ -40,10 +40,10 @@
 AUTOGRADE_POSSIBLE_VALUES = dict(
     actex=ALL_AUTOGRADE_OPTIONS,
     activecode=ALL_AUTOGRADE_OPTIONS,
-    clickablearea=["manual", "all_or_nothing", "interact"],
+    clickablearea=["manual", "all_or_nothing", "pct_correct", "interact"],
     codelens=ALL_AUTOGRADE_OPTIONS,
     datafile=[],
-    dragndrop=["manual", "all_or_nothing", "interact"],
+    dragndrop=["manual", "all_or_nothing", "pct_correct", "interact"],
     external=[],
     fillintheblank=ALL_AUTOGRADE_OPTIONS,
     khanex=ALL_AUTOGRADE_OPTIONS,