Updated routing

we now have routing for user, submission, wordoftheday:

/api/user/ (get,post)
/api/user/:email (get, put, delete)

/api/submission/ (get,post)
/api/submission/:id (get, put, delete)

/api/word/ (get,post)
/api/word/:id  (get, put, delete)

Signed-off-by: Frank Llamo <fllamo@rosettastone.com>