use metadata hooks in book info. left original code as a fall back
cs errors
Add some logic around metadata checking, viewable metadata.
Do each replace individually.
Merge pull request #1 from jordandukart/nhart-7.x

Add some logic around metadata checking, viewable metadata.
This is done betterishesque.
Merge pull request #2 from jordandukart/nhart-7.x

This is done betterishesque.
Merge pull request #46 from nhart/7.x

use metadata hooks in book info. left original code as a fall back