add district model
add squeel gem
add schema search path and postgis extension to db template
add base osc module file and require in application.rb
use project-wise geofactory instead
set geo factory for geo colums for function support
add example map of Berlin districts
use spherical mercator projection (srid 900913) instead of latlon
include js/css files properly
add basic heatmap with random points
fix typo in seeds
add lonlat option for geocoder
Merge branch 'master' of github.com:rschaden/openstreetcrimes