Removing Console class.

It's a leaky abstraction. Just use Input and Output.
Removing Command#go().
Updating EnvListCommand.
Updating env:create.
Updating env:switch command.
Updating env:remove command.
Updating router:list command.
Cleanup env:list command.
Updating service:list command.
Updating create commands.
Updating create:module command.
Updating database:migrate:list command.
Updating database:migrate:version command.
Updating database:migrate:latest command.
Updating database:migrate:all command.
Updating command skeleton.
Updating cache:flush command.
Updating assets:install command.
Merge branch 'console'

Conflicts:
	src/Neptune/Command/EnvCreateCommand.php
	src/Neptune/Command/RouterListCommand.php