Refactoring register! into something that works.
Adding back requiring JSON.
Adding a script to register a new app name.
Tweaking command line flags for consistency.
UGLY I'M SORRY.

Basically it adds a carriage return (makes the next line overwrite the
current line), then prints 30 spaces to clear the current line, and
finally adds another carriage return.
Adding a better success message.
Bumping the version to 0.1.5