100517688 Fixes Erratic Argv Behaviors
100517688 Fixes Erratic Argv Behaviors

* `radiian` without args displays help menu
* The ordinary flags (-h, -V, and -o) work as expected.
* `radiian init` starts Radiian.
* `radiian init foobar` issues a warning.
* `radiian foo bar baz` issues a warning.
* Passing `foo bar baz`to `radiian -h` or `radiian -v` issues a warning.
* `radiian foo init` issues a warning
* On the help menu, `help [cmd]` should not appear.

radify/radiian,radify/radiian,radify/radiian,radify/radiian