Rename UserActionRequest to RequestWithUsername.

UserActionRequest simply adds username field to the given request using
WrappedRequest. So RequestWithUsername is a better name here.

Play manual uses the same naming convention:
http://www.playframework.com/documentation/2.2.x/ScalaActionsComposition
Add data to .gitignore.

data is used by MongoDB to store databases.
Use -> when creating a tuple.
Change the database name from "admin" to "beyond".

Change the database name to "beyond" because "admin" is the MongoDB reserved
database name used for authentication.

In addition, organize collections using namedspaced subcollections separated by
the . character. Changed "password" collection to "admin.password". This is the
naming convention used by MongoDB.
Add the development version of jQuery 1.9.0.