storing references to connected features in each point
Fixed OS X 10.7 install (again)
Merge pull request #36 from interactivethings/master

Fixed OS X 10.7 install (again)
Merge branch 'master' of github.com:kartograph/kartograph.py into fix-simplify
ignore test files
Simplify exception re-raising.

Works on Python 2.5 and 3.
(ArcGIS 9.3 still uses Python 2.5 by default)
replacing Polygon package with shapely, fixing simplification bug
upgraded Feature class, now wraps around shapely.geometry classes
updated setup script
reworked simplification algorithm, including visual debug mode based on matplotlib and descartes
minor fix
comment
added Douglas-Peucker simplification
added Visvalingam-Whyatt simplification
added algorithm credits
fixed bug in visvalingam simplification
ignoring polygons with less than 3 points
parsing simplification method from config
ignoring empty polygons
ignore features w/ empty geometry