upload 2.7.5-2 to unstable.

debian/changelog

-python-defaults (2.7.5-2) UNRELEASED; urgency=low
+python-defaults (2.7.5-2) unstable; urgency=low
 
   * Add dependencies on the new libpython-{stdlib,all-dev,all-dbg} packages.
 
- -- Matthias Klose <doko@debian.org>  Thu, 06 Jun 2013 17:49:32 +0200
+ -- Matthias Klose <doko@debian.org>  Thu, 13 Jun 2013 15:07:18 +0200
 
 python-defaults (2.7.5-1) unstable; urgency=low