Added Words, Friends, Welcome Controller

New database tables Words and Friends are set up. Welcome Controller
will serve as root for non-logged in players.
Installed Cucumber
Too many changes to count

The SCSS ball is rolling, as is the coffeescript train.  Need to get
back into cucumber to set up proper tests.  How do you test CSS?
Javascript? Too much for now.
Added SCSS and CoffeeScript to most pages