Update viewnzb.tpl

added Subtitle search option in alpha theme.
Update viewnzb.tpl

Added subtitle search sites for tvseries and movies.
Update viewnzb.tpl

susbtitle search fix for tv series with a space.
Update viewnzb.tpl

Songwriter search added
fixed book covers did not display them

Fixed book covers did not display them on viewnzb. Why is it  $boo.title? and not $book.title?
Merge pull request #1279 from MORD0R/dev

Dev added Subtitle search and songtext search. Fixed book covers in viewnzb