cocoadocs support
Merge pull request #5 from CocoaPods/cd

@hanke => cocoadocs support
Set default task to db:schema.
Add note on the name to README.
Add project goals to README.
use brew cask to install postgres.app
use brew cask to install postgres.app
move install_deps outside the db context
update the trunk migrations to latest
use bundler magic to ensure homebrew bits work
Add note re migrations.