Merge branch 'master' into 58351296-delete-a-book
can delete books now
Merge remote-tracking branch 'origin/master' into 58351296-delete-a-book
Merge remote-tracking branch 'origin/master' into 58351296-delete-a-book
push delete logic out of controller into models
add comemnts on `removeMe`
add a canRemove helper to only show the remove button when removeMe exists
Merge pull request #87 from oerpub/58351296-delete-a-book

delete book