some comments
Added editBook functionality
Extra editBook functionality
Revert "Extra editBook functionality"

This reverts commit 7436140fbdfec30564adf35e35ea53b356eb9c66.
Revert "Revert "Extra editBook functionality""

This reverts commit 6363b3e7478d55cd4c88a6d31049f4b060e3f726.
Edit books

-> removed the link to editBooks from the menu, it's now clickable
through 'View Books' instead.