adding project files
prevent destroy for custom pager

Custom pager is being destroyed on slider reload. Upon reload the pager
elements no longer exist in the DOM. Adding logic to prevent pager
destroy in the event a custom pager exists.
Merge branch 'master' of https://github.com/dmeola/bxslider-4

Conflicts:
	images/bx_loader.gif
	images/controls.png
	jquery.bxslider.css
	jquery.bxslider.js
	jquery.bxslider.min.js
	plugins/jquery.easing.1.3.js
	plugins/jquery.fitvids.js
	readme.md