fixes #3752 - move data population from migrations into seed script

fixes #3280 - authenticate returns true for API requests when login:false

fixes #3693 - API v2 - accept GET json format of object in PUT/POST requests to add/remove has_many associations

fixes #3491 - API v2 rabl templates base, main, show for each controller

fixes #2983 - Add autosign#index to API v1 and v2 and remove from UI controller

fixes #3646 - API v2 change default root name for api json single object response to no root node but make it configurable

fixes #3137 - API v2 - show error if optional nested object does not exist for nested route

fixes #3018 - API v2 metadata for pagination, search, order in index collection json response

fixes #3011 - default root node name for api collections json response to :results but make it configurable

fixes #3736 - users API uses login name as an identifying attribute