Added game setup functionality:
-- Added method to shuffle players/roles and assign them
-- Added method to identify current king
-- Added method to identify which roles/factions are visible to a given role
-- Added method to display revealed role information to each player (thumbs logic)
-- Updated 'Create Game' form to add players (in seating order) and roles to game
-- Added universal navigation links to top of page
-- Updated all input forms to use drop downs for fk columns
-- Created 'Revealed Info' page for player