Add .jshintrc file, from airbnb's JS style guide
Overhaul scrolling to support auto-scrolling elements other than the body
element - fixes #32
Merge branch 'master' of github.com:warby-/jquery-pagewalkthrough
Merge branch 'issue/#32'

Conflicts:
	README.md
	dist/jquery.pagewalkthrough.js
	dist/jquery.pagewalkthrough.min.js
	src/jquery.pagewalkthrough.js