[MERGE] Add -V short name to --versioned option of "ls" command

[Alexander Belchenko]

Alexander Belchenko has voted resubmit.
Status is now: Resubmit
Comment:
You need to add NEWS entry in the IMPROVEMENTS section.
And add -V testing to bzrlib/tests/blackbox/test_ls.py.

All copyrights assigned to Canonical.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C47A93362.5020805%40pianocktail.org%3E