[merge] add 'make dist' and related things, and documentation to use them

[Alexander Belchenko]

Martin Pool пишет:
> 2008/4/9 Alexander Belchenko <bialix at ukr.net>:
>>  ^-- 'print' still a statement in Python 2.5 and 2.4.
> 
> Yes, though of course the syntax works as
> 
>  print (x)
> 
> as long as there's just one.

Err, you're right, my bad. Sorry, I'm wrong. print(1) works even in 2.4.

But please, don't encourage people to use print and sys.stdout
instead of self.outf. Please.

> 
>>  You should use:
>>
>>  self.outf.write(bzrlib.version_string)
> 
> Thanks, you're quite right.
> 
>