Adding separate reservation/availability sections on media details.
Reservation for individual branches now works
Images now show up in all the mypage views as well
Estimated available now showing properly. Tweaking some image sizes
Reservation no longer requires reload of page and is thus quite a bit faster
Books now show dewey number in "sorted by" field
Merge pull request #302 from dagolap/fix/solvberget-feedback

Reservation for individual locations and some image tweaks.