merged from 1.9 :: MDL-12045 :: the extra "clearer" div broke the custom_corners theme on IE7. I removed the "clearer" div and added the class "clerafix" to the surrounding coursebox.
merged from 1.9 :: MDL-12045 :: the extra "clearer" div broke the custom_corners theme on IE7. I removed the "clearer" div and added the class "clerafix" to the surrounding coursebox.

dilawar/moodle