Merge pull request #251 from jackflaps/gh-pages

[Denver] added RSVP details for meetings
us_portland isn't tentative any longer
Merge pull request #252 from llimllib/gh-pages

us_portland isn't tentative any longer
Next US Austin meetup 

Next meetup: Dec. 11 at Ginger Man
Merge pull request #253 from williln/patch-8

Next US Austin meetup