Cascade delete fixes

remove Cards when a Database is deleted.  this now allows a Database to be deleted at any time without failing on an FK error from the database.

fix issue where unit test causes setup-token to be recreated on names…

fix issue where unit test causes setup-token to be recreated on namespace reload, which is annoying in dev.

minor code cleanup

activity feed fix for error when database is deleted

Remove some unneeded imports

capture name/description/engine from databases at event time and use that for our activity feed rendering.

bump dependencies

Sample dataset loading

simply sync the sample dataset on app startup, but explicitly skip any activity feed entries related to the sample dataset.

Command for manually releasing migration locks

do a little bit of reorg on the init flow and specifically carve out an easy way for us to trigger an update of the sample dataset when that becomes necessary.

treat the "I'll add my data later" link as a normal branded link inst…

People Admin revamp + Password reseting

Prevent Liquibase migrations from leaving unreleased locks

inside a transaction.

fix data reference scroll issue

Task/Events reloading fix