Script Summary: Removes tweets coming from formspring.me from any Twitter timeline.
Removes #formspringme tagged status updates from a Twitter timeline.
New version: now works for Twitter timelines other than the home page.
New version: works also over dynamically loaded twits.
New version: works with Powertwitter. Formspring.me has removed its #formspringme hashtag, so the hiding criteria had to change in consequence.
