* jquery.infinitescroll.js
  - changed comment from `/*` to `/*!` so YUI and other compressors will preserve it during minification
* jquery.infinitescroll.min.js
  - brought in preserved licensing comment
  - added trailing semicolon (;) so it will `cat` nicely with other JS files in build scripts
Merge pull request #533 from jvanasco/master

small build / distribution improvements