Selectable Tests: Fix test failures in IE7 by accounting simulated events properly.
Sortable Tests: Fix IE7 test failures due to incorrectly expecting relative urls in img srcs.
Sortable Tests: Fix IE7 Test fails by being more generous with dragging near borders.
Draggable Tests: Fix IE8 test failures by accounting for the IE8 testswarm IFRAME positioning bug.
Position Tests: Fix FF and IE10 test failures by accounting for subpixel offsets.
Autocomplete Tests: Fix oldIE test failures by accounting for casing differences in .html() return values.
Spinner Tests: Fix IE test failures by accounting for the async nature of focus/blur.