Moves boostrapped JSON data into partial
Moves favorite status to array in Scrapped module

Instead of querying the database for favorites and inserting favorite
status as a data attribute in every item list entry, store an array
client side to determine which ids are the ids of favorite items.

Favorite status is used to determine whether or not to change the
favorite counter when an item is trashed and untrashed.
Removes csrf token from a GET form
Adds Item#show template, removes search
Comments out controller logic re: sharing
Incorporates non-ajax pages

Fixes many of the item controller's "if not request.xhr?" conditions
so they render the proper views with the appropriate instance and
local variables.
Fixes reminder actions for non-ajax browsing