changed name of amazon tracking code SAVING function
moved amazon shortcode to amazon.php
made buy book use amazon track code per author
fucked up amazon shortcode
Revert "fucked up amazon shortcode"

This reverts commit abe5b33e3b790e3e3a16589f32155172ebc5c67b.
Revert "moved amazon shortcode to amazon.php"

This reverts commit b4c335c062a147451c9ab28ee96af9fa81816c47.
moved amazon shortcode to amazon.php and added amz for tracking code
used esc_attr() in amazon shortcode
added authors list function for authors template
rearranged authors-temp