[MERGE] make init-repo use '.' as default location

[John Arbash Meinel]

John Arbash Meinel has voted abstain.
Status is now: Waiting
Comment:
Because of the potential to type 'bzr init-repo' when you really want 
'bzr init', I probably don't prefer automatic '.'

But I won't block if other people want it.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C20080712104527.GA16321%40mutt.xyzz.org%3E