Revert "Revert "Increase weighting of title field for Commons""

This reverts commit 9d35e7466399489a104224925c5376f1e30d6b6f.

Now with defaults for less fail. Also renamed setting to include
the word Overrides so people don't think it's the only weighting

Change-Id: I603c4f9d821ea7301036ea2aac1f3e8ab2773a0f