python-progressbar-2.3+hg20121105.3c94a3a1ebe1-bp152.2.16

- Use progressbar-python3-relative-imports.patch on python2 and
  python3 since it is compatible with both.
- Make progressbar-python3-relative-imports.patch simpler.

- singlespec auto-conversion

- Require python-setuptools instead of distribute (upstreams merged)

- Update to 2.3+hg20121105.3c94a3a1ebe1
  + See mercurial changes

- python3 package added
- slight spec improvement

- license update: LGPL-2.1+ or BSD-3-Clause
  Look at License.txt

- Add a %changelog line

- Spec file cleanup:
  * Simplified macro mania
  * Removed unused build requirements
  * Set license to SDPX style (LGPL-3.0+)

- initial version (2.3)