fix add-to-dashboard modal popup.

postgres not Postgres

better setup form labeling

hydrate Field target on /api/meta/table/:id/query_metadata

add 'target' to Field returned by 'sel' post-select macro.  'target' refers to the Field an 'fk' type points to.

propagate qb button style across app

setup flow

when we create a new org via api lets automatically add the creator as an admin member.

prep for larger admin cleanup

Defendpoint annotations

get the initial portion of the setup process running on the fronted.  we can now use the generated setup url w/ setup token to create the initial user account and then continue on with the rest of the setup process.

* new api endpoint for /api/setup/user which takes an install token and creates a new user.
* added a few setup token management functions in metabase.setup namespace.
* updated metabase.com (init) function to detect if a setup token is needed and provide a url on cmd line.
* unit tests for new api endpoint.

Foreign Key api endpoints

rpartial util fn

add rpartial to util (inspired by) [dash.el](https://github.com/magnars/dash.el#-rpartial-fn-rest-args)