implementing intelligent dropdown functionality into FuelUX
using overflow !== visible elements as container. still  defaults to window if none are present
adding option to force dropdown position (up, down, or auto) and updating README
renaming function to be more semantic
Merge branch 'intelligent-dropdown' of https://github.com/vernak2539/fuelux into 2.4.0-wip

Conflicts:
	dist/all.min.js
	dist/css/fuelux.min.css
	dist/fuelux.zip
	dist/loader.min.js