Actually, do copy the remote post's GUID from provided JSON.

Reasoning: a post's URL can change (due to permalink-slug-style titles changing, for example), while the GUID must never change, so the two may, in fact, be different from each other.
Truncate referenced GUIDs. I know, it's ugly.
Fix (?) font weight on post author names.
Update '.gitignore'
Change 'config/deploy/production.rb'
Remove appsignal stuff
Don't use S3 datastore
Deploy from fork repo
Set correct Ruby version
Don't use chruby
Use 'capistrano/rbenv'
Fix dotenv config

We don't use 'dotenv-deployment' for production because it doesn't work
for our setup.
Remove default tagline
Remove turbolinks crap
Fix `deploy:restart` capistrano task
Don't display "Login" link
Fix 'config/initializers/scheduled_tasks.rb'