Merge pull request #171 from marcel12bell/gh-pages

new date for cologne
added mailing list address
Merge pull request #172 from codeforHH/gh-pages

added mailing list address
Update events.yml
Update index.html
giessen: changed eventdate, added twitter, added new member
Merge pull request #173 from serofax/gh-pages

giessen: changed eventdate, added twitter, added new member
Update index.html
Merge pull request #174 from balzer82/patch-1

Update index.html
update avatars
Update 2014-07-14-Stadtpolitik-transparent-machen.html
Merge pull request #175 from nepomunich/patch-3

Update 2014-07-14-Stadtpolitik-transparent-machen.html
update event in Chemnitz
Blog post about next meeting, change location to next meeting location
Updated events
Updated event for Leipzig
Merge pull request #176 from CodeforLeipzig/update-events

Updated event for Leipzig
Meetup OK Lab Ulm
heilbronn: august event
Update events.yml