Lagt til GUI og litt backend for å vise frem lånene
Merge branch 'master' of https://github.com/CiberNorge/cibrary-2014
Lagt til mer backend for å levere bøker
Merge branch 'master' of https://github.com/CiberNorge/cibrary-2014
fikset en bug i det å levere tilbake en bok
Merge branch 'master' of https://github.com/CiberNorge/cibrary-2014