Merge pull request #12 from voodootikigod/master

Adding the Northern Virginia (Herndon, VA) group!
Adding Tri-Cities (Eastern WA) to the list of events!
Merge pull request #13 from evilpacket/patch-1

Adding Tri-Cities (Eastern WA) to the list of events!
added hangouts
Merge pull request #15 from nodebots/hangout

added hangouts
Alphabetizes US cities

I'd like to get more international cities, though!! :-)
Adding Boston Nodebots Day event
Merge pull request #16 from jorydotcom/master

Adding Boston Nodebots Day event :)
Added Tri-Cities signup URL
Merge pull request #17 from evilpacket/patch-2

Added Tri-Cities signup URL
Adds recent organizer email info & organizer hangout info
Update Readme.md
Added information for organizers.
Added Bogotá to the list of events
adding signup link for Boston
Merge pull request #21 from jorydotcom/master

Boston Sign-up/Interest link
Denver registration is live
add sparkfun discount
Merge pull request #19 from jmorrell/patch-1

Added Bogotá to the list of events
Added Kelowna, BC, Canada