A bit of cleanup in the QP.

Fix sort widget on query builder doesn't show aggregation columns

Add :human_readable_name to Table and Field API responses

Fix padding in card edit panel

Fix logic for determining which charts are sensible, add cases for co…

Remove user existence leak in login and password reset endpoints [WIP]

fully qualify the names of fields in QP korma forms

Fix logic for determining which charts are sensible, add cases for country/state charts and be more robust when transforming country codes

Expand source Table + DB in expanded query

Use Expanded Query in QPs

Fix login page redirect when already logged in (and add a unit test!)