Python-poppler-qt4

* Fix gcc-4.6 compile (issue 4)

* Installation: fix 'sys not defined' error (issue 3)
* Poppler version can now be set with build_ext --poppler-version

* API updated for Poppler-0.16.0
* Version numbering on par with Poppler
* Release the GIL on time-consuming calls
* Poppler::FontIterator() is now also a Python iterable

* poppler-qt4 API coverage complete
* Add distutils-based setup.py script
* Remove configure.py script
* Support older poppler-qt4 versions by disabling methods not present

* Initial release