add bbq.rb as meetup nr 4
create Bbq class to use a different title format.
Merge branch 'effkay-features/bbqrb'
link participations to Meetup ID to prevent number collisions.
actually use `Meetup.id` and not `.number`. :sweat:
add details for Ruvetia Nr. 4 in Lausanne.
Merge pull request #40 from ruvetia/ruvetia_4_in_lausanne

add details for Ruvetia Nr. 4 in Lausanne
actually it's October not September :sweat:
announce Ruvetia #4 location.
Fix typo in installation instructions.
Merge pull request #41 from happydawn/patch-1

Fix typo in installation instructions.
render the attendees as JSON.
use json format for attendee link.
use patched ruby version (CVE-2013-4164).
publish upcomming Ruvetia #6 Meetup in Bern.
Rails 4.1 upgrade
use right ruby on Travis.
use hroku specific gems.
fix font awesome icons