Pica reservations working for Media with only one copy in Kiel
Add: Esslingen
Pica: Cancel reservations
Pica: reservation of items that have multiple copies
Pica Bugfix, add: DNB Leipzig
Add "notify again tomorrow" button to notifications
commit forgotten file, make git ignore "Thumbs.db" files
Merge pull request #233 from johan12345/master

Pica reservations and add library Esslingen