Create jquery.infinitescroll.js

add file https://github.com/paulirish/infinite-scroll/blob/master/jquery.infinitescroll.js
Create jquery.infinitescroll.min.js

add file https://github.com/paulirish/infinite-scroll/blob/master/jquery.infinitescroll.min.js
Create package.json

add package information
Merge pull request #40 from codechou/master

jquery.infinitescroll.js