This reverts commit 8402be3b.

Ran these suckers through ImageOptim, which crunched 'em down real nice.

 .../js/vendor/ova/images/previous_pressed.png      | Bin 755 -> 665 bytes
 .../static/js/vendor/ova/images/previous_rest.png  | Bin 661 -> 572 bytes
 .../js/vendor/ova/images/zoomin_grouphover.png     | Bin 612 -> 496 bytes
 .../static/js/vendor/ova/images/zoomin_hover.png   | Bin 608 -> 506 bytes
 .../static/js/vendor/ova/images/zoomin_pressed.png | Bin 615 -> 515 bytes
 common/static/js/vendor/ova/images/zoomin_rest.png | Bin 612 -> 496 bytes
 .../js/vendor/ova/images/zoomout_grouphover.png    | Bin 504 -> 397 bytes
 .../static/js/vendor/ova/images/zoomout_hover.png  | Bin 559 -> 461 bytes
 .../js/vendor/ova/images/zoomout_pressed.png       | Bin 561 -> 458 bytes
 .../static/js/vendor/ova/images/zoomout_rest.png   | Bin 504 -> 397 bytes
 common/test/data/aside/static/just_a_test.jpg      | Bin 547 -> 517 bytes
 common/test/data/badges/good.png                   | Bin 298 -> 91 bytes
 common/test/data/badges/large.png                  | Bin 431556 -> 429842 bytes
 common/test/data/badges/unbalanced.png             | Bin 232 -> 86 bytes
 .../static/images/course_image.jpg                 | Bin 12626 -> 12617 bytes
 .../static/images/professor-sandel.jpg             | Bin 453715 -> 447109 bytes
 .../Screen Shot 2013-04-16 at 1.43.36 PM.png       | Bin 8733 -> 1525 bytes
 .../data/simple/static/images_course_image.jpg     | Bin 547 -> 517 bytes
 common/test/data/static/picture1.jpg               | Bin 10905 -> 6857 bytes
 common/test/data/static/picture2.jpg               | Bin 13598 -> 9739 bytes
 common/test/data/static/picture3.jpg               | Bin 14977 -> 9946 bytes
 common/test/data/toy/static/just_a_test.jpg        | Bin 547 -> 517 bytes
 common/test/data/uploads/Signature-0.png           | Bin 31182 -> 14473 bytes
 common/test/data/uploads/Signature-1.png           | Bin 31182 -> 14473 bytes
 common/test/data/uploads/larger_image.jpg          | Bin 1070335 -> 1053927 bytes
 25 files changed, 0 insertions(+), 0 deletions(-)

PLAT-221