[merge] look for plugins in arch-independent site directory (was Re: Bundling more plugins into bzrtools)

[Alexander Belchenko]

Martin Pool пишет:
>>  >> Excellent!  Patch against 1.2rc1 and tested with bzr-1.1 attached.
>>
>>
>> bb:resubmit
>>
>>  I'm sure I don't need such path modification under Windows.
> 
> But it seems like it would be harmless?  It will probably be the same
> as a directory that's already on the path?
> 
I don't think so because in the case of standalone bzr.exe we have another set of paths.