Add new project dependencies for Ring-JSON and Compojure.
Add handler routes, move core functions to handler.
Add Jetty server to dependencies. (For learning experience.)
Add Jetty handler on port 8321, make routing work and add json support.

I didn't expect the specified URL parameters to need to match up exactly
with the names of the bound symbols, so I wasted some time wondering why
my request functions were receiving nil inputs. I also got rid of
the route context nesting, which seems a bit overkill for this project.
Add simple curl tests, LICENSE change, DELETE request handler

License is now MIT outside the US where it can sometimes be more
restrictive to release something in the public domain. README
also contains a little information on running the project.