added express app to handle the requests and moved the front end files to public directory

Signed-off-by: Paul Gustafik <paul.gustafik@gmail.com>
added register route to Backend

Signed-off-by: Paul Gustafik <paul.gustafik@gmail.com>
Added underscore to bower management. Updated main.js to define dependencies.

Signed-off-by: Paul Gustafik <paul.gustafik@gmail.com>
Added html from registration and sign in to backed template

Added forms for registration and sign in to backend template because the number of fields is known and is not dynamic.

Signed-off-by: Paul Gustafik <paul.gustafik@gmail.com>