Send empty narrates to the console

Now - narrate can be used to show output to a console that executes a
command intended for players. Similar to 'announce to_console', but only
for when the targets list is null.
Fix item.book tags

Something got messed up in the attributing somewhere and the tags ceased
to function. Now they work again!
Merge pull request #620 from mcmonkey4eva/master

Pull request for unit testing reasons