Utilizing Liberator 'get' pattern per Philipp Meier conj 2013
presentation

web.clj
-- Adding compojure api handler to processing for app routes. Not
   necessarily related to the liberator improvements per se, but will
   include the following compojure handlers in one:
   - wrap-params
   - wrap-nested-params
   - wrap-keyword-params

user.clj
-- Per Liberator presentation:
   (http://www.youtube.com/watch?v=OEZZOz6__CY),
   utilizing the exists? decision point to get the data
   and the handle-ok to assoc that data into the context.

--Tom
Basic plumbing for PUT operation

web.clj
-- added PUT route for user resource

user.clj
-- added set-user defresource

--Tom