Merge pull request #209 from marcel12bell/gh-pages

new date oklab cologne
Termine gefixt
gießen added event
Merge pull request #210 from serofax/gh-pages

gießen added event
add OKLab Ulm CodeWeek event, add OKLab Ulm Treffen, reordered the events
Merge pull request #211 from namnatulco/gh-pages

reorder events, add OKLab Ulm CodeWeek Event & Treffen
: are not allowed in values
Update events.yml
Update events.yml
Update events.yml
Update index.html
Update index.html
Update index.html
Added Europe Code Week event for Leipzig
Merge pull request #212 from CodeforLeipzig/update-events

Added Europe Code Week event for Leipzig
add codeweek post
change ing name
fix typos
Update for Munich's next event/remove old events
add hamburg event