init test app with one failing test
related to #2
improved readme
make two distinct groups of views based on GeoModelSerializer and GeoFeatureModelSerializer
GeometryField now returns 400 instead of 500 in case invalid values are supplied + tests
tests for GeoFeatureModelSerializer
added a SerializerMethodField to LocationGeoFeatureSerializer
override parent method to support GeoJSON format but keep compatibility with DRF web form + tests
VERSION: emulate django behaviour
Merge pull request #11 from nemesisdesign/master

test app