Update Ruby version to v.2.1.2.
Describe how to use RVM.
Update Termin OK Lab Hamburg
Merge pull request #203 from philippgeisler/patch-2

Update Termin OK Lab Hamburg
Merge pull request #201 from johnjohndoe/update-ruby-version

Update Ruby version to v.2.1.2.
summit blogpost
add hashtag to summit
Remove duplicate project entry "Ernte teilen".
Merge pull request #204 from johnjohndoe/remove-duplicate-project-ernte-teilen

Remove duplicate project entry "Ernte teilen".
data update: DBpedia 2014
Merge pull request #205 from notapirate/gh-pages

data update: DBpedia 2014
gießen updated event data
Merge pull request #206 from serofax/gh-pages

gießen - updated event data
added ulm meetup, link to occ14
Merge pull request #207 from stkdiretto/gh-pages

added ulm meetup, link to occ14
auto-excerpt for project teasers
Updated event for Leipzig
Merge pull request #208 from CodeforLeipzig/update-events

Updated event for Leipzig
new date oklab cologne
Merge pull request #209 from marcel12bell/gh-pages

new date oklab cologne