Droppable: Account for draggable margins when detecting hover

Fixes #6876
Sortable: fire "over" and "out" even when a connectWith hasn't changed

Fixes #9335
Draggable Tests: Fix IE8 test when native scroll happens
Resizable Tests: fix IE8 test fail due to unspecified border style

IE <9 does not correctly set the height of an element if the borderWidth
is non-zero but no borderStyle is specified.
Build: Update jscs and fix some code style issues

Disables the checks for casing and line length, since those need a lot
more effort to address. For variable naming the fix isn't obvious to me.
There's way too many lines over 100 chars.