TravisCI: Test with Python 3.3 too
TravisCI: Added POSTGIS_VERSION environment variable
TravisCI: Only send notification mails on status change
TravisCI: Added PostGIS 2.0 build option

Travis should now test on both 1.5 and 2.0.3
README: Added TravisCI build status image
Merge pull request #20 from Turbo87/pg2.0

Added PostGIS 2.0 support to TravisCI
setup.py: Disable shapely dependency on Python 3.0 and above
test_shape: Skip tests if the shapely import fails

This will skip the shapely-related tests on Python 3
test_elements: Explicitly pass byte strings to WKBElement
Merge pull request #21 from Turbo87/py3.3

Added Python 3.3 support for TravisCI
TravisCI: Added support for coveralls.io
coverage: Added coverage config file

.. to restrict the .coverage file output content to the geoalchemy2 lib
README: Added coveralls.io badge
Merge pull request #22 from Turbo87/coveralls

Added support for coveralls.io
TravisCI: Removed /dev/null redirection

Travis is folding the commands now automatically :)