The 17th annual annual New Haven “Great Give” community-wide fundraising drive raised 20 percent of its $5 million goal with 31 hours to go. More than 500 local nonprofits are participating in the the 36-hour drive, which is organized by the Community Foundation for Greater New Haven. It runs through Thursday at 9 p.m. The foundation set up this web platform for people to use to choose all the causes and groups they support and send donations. P…