Changes

For the conference, four [[Knutepunkt-books]] was publishedas ''The official Knutepunkt books series of Knutepunkt 2013''. * ''[[Crossing Physical Borders]]'' - [[Knutepunkt 2013]]* ''[[Crossing Habitual Borders]]'' - [[Knutepunkt 2013]]* ''[[Crossing Theoretical Borders]]'' - [[Knutepunkt 2013]]* ''[[Exploring Borders]]'' - [[Knutepunkt 2013]]