Change rarely used "items/<id>" route to "items/show/<id>" and make it do a 301.
Big item delete form rewrite - convert to Formo, simplify, make "items/delete"
- move code from Controller_Quick and Item to Controller_Items
- use Formo to build the form, and remove separate view and js
Revise tag delete form to look like item delete form.
- change around labels and captions.
- add purification of tag name.
Move make_album_cover action from Quick to Items.
Move (and revise) rotate action from Quick to Items.  No more Controller_Quick!
Merge pull request #348 from shadlaws/fixes_20130504_part2

Fixes 20130504 part2