This reverts commit 8402be3b.

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

 common/static/css/vendor/slickgrid/images/help.png  | Bin 345 -> 334 bytes
 .../static/css/vendor/slickgrid/images/stripes.png  | Bin 1125 -> 88 bytes
 .../images/ui-bg_flat_0_aaaaaa_40x100.png           | Bin 180 -> 86 bytes
 .../images/ui-bg_flat_75_ffffff_40x100.png          | Bin 178 -> 86 bytes
 .../images/ui-bg_glass_65_ffffff_1x400.png          | Bin 105 -> 97 bytes
 .../images/ui-bg_highlight-soft_75_cccccc_1x100.png | Bin 101 -> 86 bytes
 .../smoothness/images/ui-icons_222222_256x240.png   | Bin 4369 -> 3714 bytes
 .../smoothness/images/ui-icons_2e83ff_256x240.png   | Bin 4369 -> 3714 bytes
 .../smoothness/images/ui-icons_454545_256x240.png   | Bin 4369 -> 3714 bytes
 .../smoothness/images/ui-icons_888888_256x240.png   | Bin 4369 -> 3714 bytes
 .../smoothness/images/ui-icons_cd0a0a_256x240.png   | Bin 4369 -> 3714 bytes
 .../ui-bg_diagonals-thick_18_b81900_40x40.png       | Bin 260 -> 136 bytes
 .../ui-bg_diagonals-thick_20_666666_40x40.png       | Bin 251 -> 136 bytes
 .../images/ui-bg_flat_10_000000_40x100.png          | Bin 178 -> 86 bytes
 .../images/ui-bg_glass_65_ffffff_1x400.png          | Bin 105 -> 97 bytes
 .../images/ui-bg_gloss-wave_35_f6a828_500x100.png   | Bin 3762 -> 1756 bytes
 .../ui-lightness/images/ui-icons_222222_256x240.png | Bin 4369 -> 3714 bytes
 .../ui-lightness/images/ui-icons_228ef1_256x240.png | Bin 4369 -> 3714 bytes
 .../ui-lightness/images/ui-icons_ef8c08_256x240.png | Bin 4369 -> 3714 bytes
 .../ui-lightness/images/ui-icons_ffd27a_256x240.png | Bin 4369 -> 3714 bytes
 .../ui-lightness/images/ui-icons_ffffff_256x240.png | Bin 4369 -> 3714 bytes
 common/static/images/arrow-left.png                 | Bin 1062 -> 256 bytes
 common/static/images/arrow-right.png                | Bin 1079 -> 264 bytes
 common/static/images/capa/vsepr/AX2E0-3D-balls.png  | Bin 32790 -> 30318 bytes
 common/static/images/capa/vsepr/AX2E1-3D-balls.png  | Bin 61843 -> 57213 bytes
 25 files changed, 0 insertions(+), 0 deletions(-)

 cms/static/images/bg-micro-stripes.png              | Bin 117 -> 102 bytes
 cms/static/images/choice-example.png                | Bin 2751 -> 1544 bytes
 cms/static/images/drag-handles.png                  | Bin 954 -> 103 bytes
 cms/static/images/explanation-example.png           | Bin 4772 -> 4671 bytes
 cms/static/images/header-example.png                | Bin 6639 -> 385 bytes
 cms/static/images/hiw-feature1.png                  | Bin 67031 -> 66798 bytes
 cms/static/images/hiw-feature2.png                  | Bin 17027 -> 16408 bytes
 cms/static/images/hiw-feature3.png                  | Bin 15092 -> 14775 bytes
 cms/static/images/large-video-icon.png              | Bin 234 -> 128 bytes
 cms/static/images/multi-example.png                 | Bin 2875 -> 1519 bytes
 cms/static/images/number-example.png                | Bin 1430 -> 515 bytes
 cms/static/images/preview-lms-staticpages.png       | Bin 61450 -> 53417 bytes
 cms/static/images/problem-editor-icons.png          | Bin 2307 -> 2304 bytes
 cms/static/images/search-icon.png                   | Bin 1196 -> 423 bytes
 cms/static/images/select-example.png                | Bin 1961 -> 1006 bytes
 cms/static/images/string-example.png                | Bin 1458 -> 574 bytes
 cms/static/images/studio-logo.png                   | Bin 4243 -> 885 bytes
 cms/static/images/thumb-hiw-feature1.png            | Bin 16516 -> 16311 bytes
 cms/static/images/thumb-hiw-feature2.png            | Bin 12956 -> 12821 bytes
 cms/static/images/thumb-hiw-feature3.png            | Bin 16616 -> 16395 bytes
 common/static/css/vendor/ova/video-js.fw.png        | Bin 78899 -> 74914 bytes
 .../css/vendor/pdfjs/images/loading-small.png       | Bin 7402 -> 613 bytes
 .../css/vendor/pdfjs/images/loading-small@2x.png    | Bin 16131 -> 1324 bytes
 .../secondaryToolbarButton-documentProperties.png   | Bin 403 -> 402 bytes
 .../css/vendor/slickgrid/images/drag-handle.png     | Bin 1130 -> 94 bytes
 25 files changed, 0 insertions(+), 0 deletions(-)