Script Summary: Add ratings to titles on imdb search results using third party API.
This is a modified version of znerp's "imdb ratings adder. script (http://userscripts.org/scripts/show/9174) with following differences:
1.Use third party api from http://www.imdbapi.com/ to get ratings instead of fetching imdb pages to reduce the amount of data requested.
2.Don't add rating for episodes listed beblow titles.
The third party api may not be as reliable as IMDB