working page to list all shortlinks

store URLs in an real database

refactor admin handler to use html/template after post

working post method allows us to create short links

refactor to use common BaseHandler, stub out POST handler

Rudimentary unit testing for our link shortener

stub out shortlink 301 handling with an in-memory "db"

refactor logging router to use a simple interface and do the actual l…

…ogging

add a barbaric shell script that allows us to "test" our web app

Refactor handler and add common log format logging