Editor’s note: Get this free weekly recap of TechCrunch news that any startup can use by email every Saturday morning (7am PT). Subscribe here. Which startups investors are actually first to backing the best companies? If you know this information before fundraising, you can avoid pitching investors who were always going to tell you that you’re “too early” anyway. The problem is that everyone claims credit for success, and by the time you pick through databases, investor sites, blogs, tweets and news clippings, you have no real idea who made what call…