jQuery Nearest Element plugin
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**Full documentation is at **
**Demo:**
Method signatures:
* `$.nearest({x, y}, selector)` - find `$(selector)` closest to x/y point on screen
* `$(elem).nearest(selector)` - find `$(selector)` closest to elem
* `$(elemSet).nearest({x, y})` - filter `$(elemSet)` and return closest to x/y point on screen
Reverse logic:
* `$.furthest()`
* `$(elem).furthest()`
Intersecting/touching:
* `$.touching()`
* `$(elem).touching()`