fix parsing of results from bing

This removes the h="ID=SERP,5099.1" that always appears in the movie picker dialog, removes the "result as tag" that sometimes appears, and allow more results to be displayed
Replace roman letters with numbers for IMDB

IMDB doesn't like II or III or IV in the title, so replace them with numbers
Merge pull request #1 from maxgalbu/patch

Fixes parsing bing result and roman numbers in titles