New method for shapefile conversion via Ogre added, still needs to be implemented in geo_data. Some test shapefiles and geoJSON added
BUG: relative filenames prevent nosetests from working in parent dir
Merge pull request #11 from dnmiller/test-filename

BUG: relative filenames prevent nosetests from working in parent dir
shapefile_to_json method added to vincent.Map() for shapefile conversion. Example and example data added
Merge branch 'Ogre'
Update README.md
Syntax change for Ogre method
Merge branch 'master' of https://github.com/wrobstory/vincent

Some syntax changes for Ogre
coding utf 8
removed mutable object from class method signature.
Merge pull request #14 from maisano/master

Removed mutable object from class method signature
ENH: implemented __deepcopy__, add/sub now return new class
Merge branch 'operator-cleanup'

Conflicts:
	tests/test_vincent.py