bzr ls => default to bzr ls --versioned

[Jari Aalto]

I'm wondering what is the use of:

    bzr ls

It seems to do the same as ls(1). I would have expected it to default
to:

    bzr ls --versioned

I'd like to propese this change,
Jari

-- 
Welcome to FOSS revolution: we fix and modify until it shines