Initial commit of bananagrams nodejs web application.
Added functionality that queries for user id, checks for existence, and adds an expiring user document to the users database collection, if said userid is available.
Development resumed after month-and-a-half-long hiatus.  Application now manages dynamic user allocation properly in the sense that usernames last as long as the actual user\'s browser session and are released as soon as the user closes the browser window or leaves the site.
Fixed an import.
Added button and styling to username textbox
Wrote code that returns all of the continguous vertical and horizontal tile sequences of length greather than two (intended words) and code that verifies that the tiles together form a connected graph of letters, the two checks that must be made in order to peel in bananagrams.
Merged 2-month-old server code with local branch head.