[MERGE] list hidden commands on request

[John A Meinel]

John Arbash Meinel has voted +1.
Status is now: Approved
Comment:
I probably would prefer it if the help topic was 'hidden-commands', so you would do "bzr help hidden-commands" since it makes more sense to me.

But I don't care a whole lot either way.

For details, see: http://bundlebuggy.aaronbentley.com/request/%3C4581B3DD.60306%40utoronto.ca%3E