some upgrades. clone prod db from dev db

add handlebars_runtime to vendor/ to get around prod error with
Sprockets trying to include a file that the gem itself has in its own
vendor/

https://github.com/leshill/handlebars_assets/issues/22

re: “clone prod db from dev db”:  until i have this hosted somewhere,
this is where i’ll make actual changes (if i remember run
RAILS_ENV=production locally) i want persisted.