[Proposal] Add a help command

[John Arbash Meinel]

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On 2013-02-14 8:29, Tim Penhey wrote:
> Hi All,
> 
> Right now there is no help command.  There is "--help" but it
> isn't entirely intuitive.
> 
> $ juju help error: unrecognized command: juju help

Adding a 'help' command seems reasonable, arguably if you just run
'juju' it should also show the help, rather than

$ juju
error: no command specified

John
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