Events page(s) updated; new local group listed

Hi! I've updated the events page and added new pages for the Diesel Tuesdays and the fourth-Monday dinners. The Diesel Tuesdays page in particular has a bunch of information about what those gatherings have been like lately.

Also, some time ago I added links to the relatively new Boston Metro Area Poly group (which has a presence on Facebook and Meetup) — but you have to scroll down on the front page to see it so I thought I’d mention it here as well. :-)