added 'Digital Refugee Labs'
added 'Digital Refugee Labs'

Added the 'Digital Refugee Labs' part for the year 2016 and changed the text of 'Hack your city' for the year 2015 to the past
marcel12bell/codefor.de,saerdnaer/codefor.de,marcel12bell/codefor.de,marcel12bell/codefor.de,saerdnaer/codefor.de,saerdnaer/codefor.de,marcel12bell/codefor.de,codeforfrankfurt/codefor.de,codeforfrankfurt/codefor.de,codeforfrankfurt/codefor.de,saerdnaer/codefor.de,saerdnaer/codefor.de,codeforfrankfurt/codefor.de