[MERGE] Strip "bzr_" from the start of the suggested plugin name.

[Alexander Belchenko]

James Westby пишет:
> If the user does bzr branch lp:bzr-svn to install it
> they will get a directory named bzr-svn. bzr won't load
> this, and will suggest bzr_svn instead, but this then
> breaks bzr-svn.
> 
> This change strips bzr_ from the front of the suggestion.

So it's only change suggestion to user? In this case bb:approve.

> Does anyone know of a plugin that requires itself to be named
> bzr_whatever?
> 
> Hopefully Martin's plugin installer work will mitigate this even
> more, but I think this is a benefit to have anyway.

I hope too.