add initial support for writing to geospatial data formats via fiona
update doc string for
Merge pull request #15 from cfarmer/writing

adds `to_file` method for geodataframe
Update setup.py for upload to PyPI
You got got markdown in my rst.
Update links in long_description
Use temp directory for test_to_file
Re-use array of borough names
Merge pull request #18 from kjordahl/test-tempfile

More robust to_file test
If Series.__new__() already returns a GeoSeries, don't try to return a view.
Apply mask directly rather than calling numpy.putmask
Add test for GeoSeries.fillna() method.
Merge pull request #20 from kjordahl/fix-pandas-master

Fixes to work with latest pandas master
Better version handling, including __version__ and git hash for dev releases.
Add travis-ci setup files
Travis-ci build status in README
TST: Install gdal with apt-get on Travis-CI
TST: Tweaking TravisCI GDAL setup
TST: Add PPA repo for TravisCI GDAL setup
TST: Try the unstable PPA repo