Give each command its own individual DIC method
Inject the bday command's format dependencies
Inject the email command's format dependencies
Inject the ls command's format dependencies
Inject the mutt command's format dependencies
Fix first unit test broken by the move to a dependency injection container

Looks like I'd glossed over isolating the Ppl::Command::Mutt class from its
dependencies during tests. It was instantiating and executing a real
Ppl::Format::AddressBook::MuttQuery during two tests, which broke when I moved
the instantation into the DIC.
Inject the name command's formatting dependencies