Cleans up and fixes Authorization model.

Adds timestamps.
Moves person and identity creation to before_create.
Moves create to initialize.
Fixes lrdd to use the arguments given and not assume params.
Fixes lrdd output.
Sanitize parameters removes symbols as keys.
Sanitize parameters removes password... it is refactored to ensure
parameters are santizied and password is hashed before save.
Adds Authorization model tests.